Keith Mannings / Craig Mannings
Michael Moriarty
Julie Warren
Penelope Milford
Bill
Peter Mannering
Woman of Bell Tower
Yael Forti
Mr. Adams
Alex Diakun
Stocky Man
Peter Schlesinger
Man with Cigar
Shaun Lawton
Promoter
Max Buchsbaum
Waiter
Georg Tryphon
Young Keith
Reece Hasanen
Young Craig
Troy Hasanen
Nurse
Wendy Merk
Mrs. Thomason
Geraldine Fitzgerald
Bud Waldo
Cameron Mitchell
Christine Waldo
Sarah Langenfeld
Hedwig
Martha Smith
Woman in Ballroom
Virginia McKenna
Inspector Hessinger
Reinhold Olszewski
Woman Tourist
Henriette Gonnermann
Millie
Vonne Sherman
Director
Alberto De Martino
Story
Original Music Composer
Ennio Morricone
Art Direction
Uberto Bertacca
Massimo De Rita
Writer
Theodore Apstein
Producer
Roberto Palaggi
Director of Photography
Romano Albani
Editor
Russell Lloyd