Crime / Drama / Mystery / Thriller /

Score: 70.1%( 146 votes )

Overview: A year after Sheila is killed in a hit-and-run, her multimillionaire husband invites a group of friends to spend a week on his yacht playing a scavenger hunt-style mystery game — but the game turns out to be all too real and all too deadly.

Cast:

Richard Benjamin
Tom

Dyan Cannon
Christine

James Coburn
Clinton

Joan Hackett
Lee

James Mason
Philip

Ian McShane
Anthony

Raquel Welch
Alice

Yvonne Romain
Sheila

Pierre Rosso
Vittorio

Serge Citon
Guido

Roberto Rossi
Captain

Elaine Geisinger
American Woman

Elliot Geisinger
American Man

Jack Pugeat
Silver Salesman

Maurice Crosnier
Concierge (uncredited)

Martial
Locksmith (uncredited)