| Cast list | | Donald Pleasence | as | Mr. Justice Lawrence Wargrave | | Frank Stallone | as | Capt. Philip Lombard | | Sarah Maur Thorp | as | Vera Claythorne | | Herbert Lom | as | General Brancko Romensky | | Brenda Vaccaro | as | Marion Marshall | | Warren Berlinger | as | Det. William Henry Blore | | Yehuda Efroni | as | Dr. Hans Yokem Werner | | Paul L. Smith | as | Elmo Rodgers | | Moira Lister | as | Ethel Mae Rodgers | | Neil McCarthy | as | Anthony Marston |
| | Crew list: | | Alan Birkinshaw (Director) | | Agatha Christie (Writer) |
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