David Janssen
David Christopher
Senta Berger
Denise Abbot
John Ireland
Dwight McGowan
John Saxon
Robert Hayes
Ray Milland
Johann Hurtil
Elke Sommer
Rita Jensen
Anton Diffring
Franz Benninger
Arthur Brauss
Kosta
Inigo Gallo
Captain Hans Frey
Curt Lowens
Korsak, Hit Man
David Hess
Sando, Hit Man
Hans-Joerg Bahl
Sgt. Schwand
Sheila Ruskin
Corinne
Irmgard Först
Florelle
Wilhelm von Homburg
Hit Man in cook suit (uncredited)