Charles Bronson as The Stranger

Anthony Perkins as Laurence Jeffries

Jill Ireland as Frances Jeffries

Henri Garcin as Paul Damien

Agathe Natanson as Lucy

André Penvern as Intern

Denise Péronne as Nurse

Carl Studer as Fisherman (as Carl J. Studer)

Silvana Blasi as Mrs. Evans

Adriano Magistretti as Andrew

Viviane Everly as Young Girl on Beach

Isabelle Del Rio as Nurse

Colin Mann as Sgt. Gordon

Yves Elliot as Policeman