
The space race is in full swing, but Jerry Lewis flips the script as Kreton, the galaxy’s most eccentric alien. Defying his teacher, Kreton abandons his home planet and crash‑lands in the backyard of a well‑known TV journalist who scoffs at UFOs. Eager to study humans yet clueless about their ways, Kreton’s antics spark comic mishaps and misunderstandings, turning the journalist’s skeptical world upside down.
Does Visit to a Small Planet have end credit scenes?
No!
Visit to a Small Planet does not have end credit scenes. You can leave when the credits roll.
See current US streaming, rental, and purchase options for Visit to a Small Planet (1960) via JustWatch.
Explore the complete cast of Visit to a Small Planet, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Ellen Corby
Mrs. Mabel Mayberry

Lee Patrick
Rheba Spelding

John Williams
Delton

Joan Blackman
Ellen Spelding

Earl Holliman
Conrad

Jerry Lewis
Kreton

Jerome Cowan
George Abercrombie

Fred Clark
Major Roger Putnam Spelding

Gale Gordon
Bob Mayberry

Paul Smith
Delton’s Assistant

Milton Frome
Police Commissioner

Paul Wexler
Beatnik
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Read the complete plot summary of Visit to a Small Planet, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
An inquisitive alien from the planet X-47 named Kreton arrives on Earth driven by a fascination with human life and a rebel curiosity that even his teacher would rather discourage. He repeatedly defies that rule as he returns to observe people, and on his latest trip the teacher reluctantly allows him to stay and study firsthand. Kreton soon finds a home among a suburban family, keeping his alien status a secret while he forges a surprising friendship with his hosts and their circle. He grows closer to the family’s daughter, and a quiet, forbidden longing begins to bloom within him, even as an invisible force field around him blocks any real physical touch. In this world, affection is something his race has long since abolished, adding a bittersweet tension to every gesture and interaction.
During his stay, Kreton’s extraordinary abilities make themselves known in unexpected ways. He can levitate, converse with the family dog, and hilariously compel people he dislikes to recite a familiar song in public, a manifestation of a power that both amazes and unsettles those around him. These moments of wonder are tempered by the heavy realization that meddling in human lives carries consequences, and Kreton finds himself pushing the limits of the rule he was given—stay out of humans’ affairs. As his disruptive influence grows, the authorities and the family’s social world begin to close in around him, and his carefully kept secret starts to unravel.
The more Kreton tinkers with humanity, the more he is forced to confront what it means to feel. When the moment comes that his cover is blown and he is reported to the police, the alien realizes that the very emotions he has been observing—pain, sadness, jealousy, longing—are not without cost. With his powers gradually stripped away to reveal a more vulnerable, mortal experience, Kreton discovers that being human comes with a spectrum of feelings that can be unwieldy and painful. In a decisive turn, he concludes that these emotions, for all their trouble, are essential to the human condition, and he makes the hard choice to return to his own planet, leaving behind the world he briefly came to understand.
The story unfolds through a social tapestry of a typical family environment, where the characters prop up the central conflict and Kreton’s journey. Mrs. Mabel Mayberry, Mrs. Mabel Mayberry, and Bob Mayberry anchor the home, while the daughter Ellen Spelding becomes a focal point of Kreton’s unspoken affection. Along the edges of this domestic scene, other figures such as Rheba Spelding drift in, reflecting the broader social world Kreton is glimpsing for the first time. The film balances warmth and whimsy with a gentle meditation on desire, restraint, and the irresistible pull of curiosity, all set against the backdrop of a world that is at once familiar and profoundly alien to him.

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