Franco Nero
— Johan (John) Berg
Bernice Stegers
— Eva Berg
Clare Powney
— Pat, the girl
Frank Brennan
— Lindberg, reporter
Christopher Lee
— Peter Storm
Mark Robinson
— Hans, taxi driver
Clifford Rose
— General Carlsson
Rosie Jauckens
— Mrs. Carlsson
Derek Benfield
— Janitor
Mark Dowling
— Zilenski
Lenore Zann
— Viveka
Sam Cook
— Antonio
Heinz Hopf
— David
Pontus Platin
— Sandberg
Olle Björling
— The Host
Gunnar Ernblad
— Editor 1
Timothy Earle
— Editor 2 (as Tim Earle)
Sara Key
— Adriana
Christer Banck
— Locksmith
Damir Mejovšek
— Graudenz
Hanna Brogren
— Housekeeper