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

Norbert Grupe

Hit Man in cook suit (uncredited)

Jack Arnold