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Several couples are notified that they have won an ocean cruise, but they actually have been lured onto a ship so that they can be murdered.
13 Cast Members
Richard Long
Jerry Carter
Polly Bergen
Sylvia Carter
Edward Albert
James Radney
Kate Jackson
Mary Frances Radney
Celeste Holm
Elizabeth Mason
Tom Bosley
David Mason
Michael Constantine
Dr. Burke
Cesare Danova
Captain Vettori
Amzie Strickland
Lynn
Alain Patrick
Barrere
Maurice Sherbanee
Room Steward
Wesley Gale
Hotel Clerk (as West Gale)
Marc de Vries
Deck Steward
