Tony Kendall

Jeff

Monica Teuber

Sister Maria

Vonetta McGee

Claire

Linda Fox

Claire (as Patrizia Barbot)

Ivana Novak

Liane

Gordon Mitchell

El Kadir

William Berger

Bob Shaw

Margaret Rose Keil

Gail

Christiane Thorn

Lolita

Nuccia Cardinali

Inga (as Karen Carter)

Felicita Fanny

Carmen

Mara Krupp

Female warden (as Mara Krup)

Roberto Messina

Killer

Herb Andress

Little Ivan

Giorgio Dolfin

Colonel

Ernst Ritter von Theumer