
Teenagers Mary (Hayley Mills) and Robert (Keith Hamshere) join the flamboyant Professor Paganel (Maurice Chevalier) on a daring quest across seas and jungles to rescue Captain Grant, whose children have been shipwrecked and lost. The Disney adventure adapts Jules Verne’s 1868 novel Captain Grant’s Children.
Does In Search of the Castaways have end credit scenes?
No!
In Search of the Castaways does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of In Search of the Castaways, 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.

George Sanders
Thomas Ayerton

Maurice Chevalier
Jacques Paganel

Norman Bird
Senior Yacht Guard

Hayley Mills
Mary Grant

Jack Gwillim
Captain Grant

Michael Anderson Jr.
John Glenarvan

Joss Ackland
Yacht Seaman

Wilfrid Brambell
Bill Gaye

Keith Hamshere
Robert Grant

Ronald Fraser
Guard at Dockyard Gate

George Murcell
Ayerton's Assistant

Wilfrid Hyde-White
Lord Glenarvan

Mark Dignam
Rich man at Yacht party

Roger Delgado
Patagonian prisoner

Andreas Malandrinos
Crooked sailor

Barry Keegan
Irish claimant

Antonio Cifariello
Indian Chief

Milo Sperber
Crooked sailor

Inia Te Wiata
Maori Chief

David Spenser
South American Guide

Maxwell Shaw
Sailor

Michael Wynne
Crooked sailor
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Challenge your knowledge of In Search of the Castaways with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
What is the name of the scientifically minded French geography professor who discovers the bottle?
Jacques Paganel
John Glenarvan
Thomas Ayerton
Bill Gaye
Show hint
Read the complete plot summary of In Search of the Castaways, 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.
Jacques Paganel, a scientifically minded French geography professor, discovers a bottle containing a message he believes is from the missing Captain Grant. He and Captain Grant’s two teenaged children, Mary Grant and Robert Grant, approach John Glenarvan and his father, the wealthy shipping magnate [Lord Glenarvan](/actor/wilfrid-hyd e-white), owner of Captain Grant’s ship, and convince them to bankroll a grand search expedition. The crew sets sail and heads halfway around the world toward South America, driven by hope, stubborn pride, and the thrill of the unknown.
Across the vast Pacific and into the Andean Andes, the voyage takes a brutal turn. An earthquake drives the expedition down a glacier-aligned slope, and a giant condor briefly plucks at young Robert before he’s rescued by Thalcave, an Indian chief who believes he can point the way to Captain Grant. Though Thalcave’s optimism is well intentioned, the travelers soon learn that his hypothesis about Grant’s location isn’t correct. Nevertheless, the journey yields new allies when three prisoners are freed and choose to join the misfit caravan. Amid these trials, a quiet romance begins to bloom between Mary Grant and John Glenarvan, adding a human thread to the perilous trek.
Their search then veers toward Australia, where Paganel remains confident that Captain Grant can be found. In Melbourne, the party encounters danger in the form of a shrewd gunrunner, Thomas Ayerton, who presents dubious “evidence” that Captain Grant lies somewhere in New Zealand. The revelation unsettles the group: Ayerton—unbeknownst to them—was the third mate responsible for mutiny aboard Grant’s ship. This time, the pursuit turns treacherous as Ayerton engineers another mutiny and strands the searchers at sea once more.
The ordeal grows even more dire when they are captured by Maori Chief; the captors imprison them alongside Captain Grant’s shipmate, Bill Gaye, who ultimately becomes a crucial ally in the escape. They flee through a perilous landscape, escaping pursuit by triggering an avalanche that, in turn, sparks a volcanic eruption. With danger behind them for the moment, the expedition presses on toward home and the long-awaited reunion with Captain Grant, who must confront the enigma of the mysterious note and its origin.
In a tense, reflective moment around the ship’s railing, the note’s provenance is finally questioned. Captain Grant asserts he never wrote any such message, prompting Bill Gaye to deliver a telling line that casts doubt on the handwriting itself: “The voice be the voice of a God-fearing man. But the hands are the hands of a forger.” This revelation unsettles the trust around the note, leaving the truth hanging in the wind as the voyage nears its end.
Back on deck, the voyage concludes with a tender, hopeful beat: the Professor observes that the young lovers, John Glenarvan and Mary Grant, are drawing closer under the stars, hinting at a future beyond their sea-crossed quest. The adventure has tested them all—physically, morally, and emotionally—yet it binds them together through shared danger, stubborn courage, and a belief in second chances.
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