Directed by

J. Lee Thompson
Made by

The Rank Organisation
Read the complete plot summary and ending explained for An Alligator Named Daisy (1955). From turning points to emotional moments, uncover what really happened and why it matters.
After returning from a cricket match in Ireland, Peter Weston [Donald Sinden] is left with a pet alligator that another passenger abandons. Horrified, his first instinct is to get rid of the creature, but he soon finds himself drawn into a surprising bond with Moira [Jeannie Carson], a young Irishwoman, and the relationship seems to revolve almost entirely around the animal. The alligator, Daisy, proves to be unusually tame and domestic, and Weston slowly realises that Daisy might be the key to winning Moira’s heart.
Back in London, Weston struggles to keep Daisy under control as she upends his life: she unsettles his family, jeopardizes his job at a department store, and strains his engagement to Vanessa [Diana Dors]. He schemes to dispose of Daisy, only to discover that the authorities and a pet shop won’t take her, leaving him to abandon her in Regent’s Park before guilt drives him to rescue her once more. A mix-up then leads Daisy to travel with his luggage to his prospective father‑in‑law’s country house, and there she disappears to unleash chaos at a grand party.
At the party, the spectacle tests Weston’s resolve and Vanessa’s patience, and the chaos ultimately puts their engagement in jeopardy. Vanessa, initially hurt by Weston’s reluctance to stand up for Daisy, comes to see that his feelings for Moira may be stronger than she realized. She begins to fear that the heartbreak of the breakup is partly rooted in Daisy’s unflinching presence, while Moira’s quietly steadfast nature stands in contrast to the drama around them.
Vanessa’s father, determined to salvage his daughter’s happiness, decides to champion alligators as Britain’s new beloved pet. He uses his newspaper to sway public opinion and even launches an alligator beauty contest, hoping to turn the creature into a national craze. The event draws Moira back into the picture, as she arrives with Albert [Stephen Boyd], her fiancé, and a male alligator named Nelson. The revelation that Albert is Moira’s fiancé—though more complex than it seems—shakes Weston’s confidence and the crowd’s assumptions about love and loyalty.
As the rally spirals into farce, the alligators tantrum and roam the grounds, creating a chain of mishaps that culminate in a chaotic lakeside melee where guests end up tumbling into the water. In the fallout, Weston learns a surprising truth: Albert isn’t Moira’s husband but her brother, and the mistaken marriages and tangled affections begin to clear. In the aftermath, Moira and Weston share a quiet, hopeful moment, and the pair drive away together, with Nelson and Daisy safely in the back seat, signaling a new, complicated happiness on the horizon.
Follow the complete movie timeline of An Alligator Named Daisy (1955) with every major event in chronological order. Great for understanding complex plots and story progression.
Peter is handed Daisy after the Ireland match
Peter Weston, returning from a cricket match in Ireland, is unexpectedly left with a pet alligator when another passenger abandons it to him. He is horrified and immediately tries to get rid of the creature, fearing the trouble it will bring. Yet this odd encounter marks the start of a strange bond that will shape his life.
Peter and Moira connect over the alligator
Back in Ireland, Peter's reluctance softens as he meets Moira, a young Irishwoman who is drawn to the animal. Their connection grows as they spend time around Daisy. The alligator becomes the focal point of their budding romance, bringing them closer together.
Back in London, Daisy upsets Peter's life
Returning to London, Daisy's antics disrupt Peter's home life by upsetting his family and jeopardizing his job. The chaos strains his relationship with Vanessa, his fiancée. The animal's misbehavior acts as a catalyst for a cascade of personal crises.
Peter tries to discard Daisy but fails
Peter resolves to part with Daisy, but the authorities and the pet shop refuse to take the alligator. Frustrated, he abandons her in Regent's Park to free himself from the burden. The incident foreshadows the escalating complications of keeping an exotic pet.
Daisy travels with Peter to the country house
Due to a mix-up, Daisy is packed with Peter's luggage and accompanies him to his prospective father-in-law's country house. The animal's presence immediately complicates social expectations and reveals new tensions among the guests. The journey marks a shift from urban chaos to a country setting.
Daisy escapes and disrupts a big party
At the country house, Daisy escapes and wreaks havoc at a large party. The chaos disrupts the event, shocking the guests and threatening Peter's relationships. The animal's antics become the centerpiece of the evening's farce.
Vanessa and Peter's engagement falters
Vanessa reassesses the engagement after the party, realizing Peter's attachment to Daisy means they are not truly aligned. They decide to break up amicably. Vanessa also expresses sympathy for Peter as he copes with the emotional fallout of the situation.
Vanessa's father promotes alligators publicly
Vanessa's father, eager to capitalize on the chaos, vows to make alligators Britain’s most popular pet and uses his newspaper to lobby public opinion. He organizes a national platform that could influence attitudes toward exotic animals. The publicity sets the stage for the upcoming rally and contest.
Alligator Beauty Contest and Rally announced
A public spectacle gathers attention as the Alligator Beauty Contest and Rally is announced and hosted. Moira arrives with Albert, her fiancé, and the male alligator Nelson. The event draws attention and deepens the social tensions between the contestants and attendees.
Vanessa confronts Albert and Weston’s feelings
During the rally, Vanessa talks with Albert and realizes that Weston is not in love with her. Their engagement dissolves, though Vanessa expresses sympathy for Weston and his attachment to Daisy. The moment marks a shift in romantic loyalties as the drama moves toward its chaotic finale.
Albert is revealed to be Moira's brother
In a twist, it is revealed that Albert is Moira's brother, not her husband, clarifying the confusing last-name coincidence and reframing the relationships among the partygoers. The revelation fuels further comic misunderstandings as the event careens toward chaos.
Alligators revolt and chaos erupts
The alligators break loose in a farcical revolt, rushing into the lake and causing general mayhem as guests scramble to escape. The animal chaos overshadows the social proceedings and cements the playful tone of the ending. The riotous climax heightens the film's absurd humor.
Moira and Peter kiss and drive off together
Weston and Moira finally acknowledge their feelings, sharing a kiss and driving away together. They take Nelson and Daisy along in the back seat, offering a hopeful ending for this unconventional romance. The couple leaves the party behind to start a new life together.
Explore all characters from An Alligator Named Daisy (1955). Get detailed profiles with their roles, arcs, and key relationships explained.
Peter Weston (Donald Sinden)
An Englishman returning from Ireland, Peter is practical and reserved, initially determined to dump the unexpected alligator. His priorities shift as he develops feelings for Moira and must navigate Daisy's chaos. He endures job loss and relationship tension, ultimately choosing love over social stability.
Vanessa Colebrook (Diana Dors)
Vanessa is Peter's fiancée who initially resents the disruption caused by Daisy. As the farce unfolds, she reassesses her feelings and participates in the amicable breakup, revealing both warmth and frustration in equal measure.
Moira O'Shannon (Jeannie Carson)
Moira is a spirited Irish woman who bonds with Peter over Daisy. She arrives with Albert and her alligator Nelson, and their relationship evolves as the truth about Albert's ties to her family is revealed.
Albert O'Shannon (Stephen Boyd)
Moira's initially presented fiancé, later revealed to be her brother. He embodies the comic farce of mistaken relationships and ends up sharing in the unfolding marriage twist.
Daisy
A remarkably tame alligator whose presence triggers the central chaos. Daisy moves from nuisance to catalyst, influencing the arc of nearly every key decision.
Nelson
The male alligator belonging to Moira, part of the menagerie at the beauty contest. Nelson is the counterpart to Daisy and participates in the culminating chaos.
Learn where and when An Alligator Named Daisy (1955) takes place. Explore the film’s settings, era, and how they shape the narrative.
Time period
1950s
The story is situated in a contemporary 1950s Britain, where post-war manners, consumer culture, and media-savvy society frame everyday life. Romantic entanglements and social expectations drive the plot as ordinary people cope with an outrageous pet.
Location
Ireland, London, Regent's Park, Country house
The action unfolds from a cricket match in Ireland to urban London. Key events take place around Regent's Park and at a country house where a large party showcases social comedy and chaos. The settings blend domestic life with public spectacle, reflecting mid-century Britain.
Discover the main themes in An Alligator Named Daisy (1955). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
💘
Love
Love drives the plot as Weston navigates a breakup with Vanessa and grows closer to Moira. The alligator Daisy acts as a catalyst that exposes true feelings beneath social polish. The comedy allows characters to reconsider what they want from relationships, not just what is expected. The ending cements a new romance between Weston and Moira.
🐊
Animal Catalyst
Daisy the alligator becomes the fulcrum of chaos, testing loyalties, jobs, and engagements. Her tame presentation contrasts with the uproar she causes at parties and rallies. The animal disrupts appearances and social rituals, revealing characters' genuine priorities. The farce centers on how a pet can upend conventional life.
📰
Public Opinion
Moira's fiancé's reveal and the press-backed push for alligators parody media manipulation and crowd mentality. Vanessa's father uses his newspaper to mold public sentiment, turning a fashion into a political spectacle. The satire critiques how society adopts trends to shape personal reputations. The consequences show that public opinion can be as unpredictable as romance.

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Explore the mobile appDiscover the spoiler-free summary of An Alligator Named Daisy (1955). Get a concise overview without any spoilers.
In the gentle bustle of post‑cricket Ireland, a weary traveler returns home to an unexpected souvenir: an abandoned pet alligator, hand‑offered by a stranger on the train. The creature, christened Daisy, is far from the fearsome beasts of lore—she is remarkably tame, slipping easily into the cramped world of a modest London flat. Peter Weston is initially horrified, his practical sensibilities clashing with the absurdity of caring for a reptile in a city of rain‑soaked streets and orderly shop windows.
A chance encounter with Moira, a bright‑eyed Irishwoman whose own life seems oddly intertwined with the lizard‑like newcomer, pulls Peter into a light‑hearted tug‑of‑war between duty and curiosity. Moira’s easy smile and quiet confidence suggest that Daisy may be more than a quirky pet; she could be a bridge to something deeper, hinting that affection sometimes arrives on the most unlikely of scales. Their chemistry bubbles beneath the surface of everyday conversations, each shared glance whispering that the alligator might hold the key to a new kind of companionship.
Against a backdrop of polite British propriety and the lingering expectations of an impending marriage to Vanessa, Peter finds his world turned delightfully upside‑down. The presence of Daisy injects a playful chaos into his routine—family gatherings, work obligations, and social niceties all wobble under the weight of a scaly guest who refuses to be ignored. The film rolls forward with a breezy, comedic rhythm, balancing romantic tension with the absurd charm of a domesticated alligator, leaving audiences eager to see how this unlikely trio navigates the sweet uncertainty of love, responsibility, and the unexpected delights that life can toss our way.
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