Robert Wagner
Tony Petrakis
Acting
Terry Moore
Gwyneth Rhys
Acting
Gilbert Roland
Mike Petrakis
Acting
J. Carrol Naish
Socrates Houlis
Acting
Richard Boone
Thomas Rhys
Acting
Angela Clarke
Mama Petrakis
Acting
Peter Graves
Arnold Dix
Acting
Jay Novello
Sinan
Acting
Jacques Aubuchon
Demetrios Sofotes
Acting
Gloria Gordon
Penny Petrakis
Acting
Harry Carey, Jr.
Griff Rhys
Acting
Rock Hudson
Narrator (uncredited)
Acting
Jack English
Doctor (uncredited)
Production
William Johnstone
Crewman of 'Snapper' (uncredited)
Acting