Kirk Douglas
— George Anderson
Jean Seberg
— Laura Richardson, formerly Anderson
John Vernon
— David Richardson
Bessie Love
— Mrs. Richardson
Beth Porter
— Sandra
Sam Wanamaker
— Inspector
James Bradford
— Private Detective
Suzanne Lloyd
— Nancy
Stuart Chandler
— Simon
Valerie Colgan
— Miss Wainwright
Mavis Villiers
— Martha
Elliott Sullivan
— Harry
Bob Sherman
— Barman
James Berwick
— Headmaster
Margot Alexis
— Miss Carter
Robert Henderson
— Attorney
Louis Negin
— Couturier
Jennifer Watts
— Party Guest
Tony Sibbald
— Workman
Don Fellows
— Foreman
Francis Napier
— Engineer
Roy Stephens
— Hotel Receptionist
Elsa Pickthorne
— Concierge