Distribution
Harald Dietl
Hans, Thug #1 (Vienna segment) (uncredited)
Johanna Matz
Monique Carrar (Vienna segment)
Klaus Kinski
Gomez (Rio segment)
Carmen G. Cervera
Joana (Rio segment)
Alberto Bonucci
Professor (Rome segment) (uncredited)
Pietro Ceccarelli
Gangster #2 (Rome segment) (uncredited)
Michael Janisch
Kurt Waldeck (Vienna segment) (uncredited)
Stewart Granger
David Porter
Pierre Brice
Agent Brice
Karin Dor
Denise (Rio segment)
Walter Giller
Karl (Vienna segment)
Richard Münch
Professor Alden (Frame story)
Fregolente
Harry Brenton (Rio segment)
Robert Favart
Sergej (Vienna segment) (uncredited)
José Lewgoy
President (Rio segment) (uncredited)
Luciano Pigozzi
Ivan (Rome segment) (uncredited)
Peter Vogel
Wendt, Suspected girls' killer (Frame story)
Margaret Lee
Agent Linda (Rome segment)
Fortunato Arena
Taxi driver (Rome segment) (uncredited)
Spartaco Conversi
Gangster #4 (Rome segment) (uncredited)
Agnès Spaak
Nelly Small (Rio segment)
Franco Daddi
Gangster #3 (Rome segment) (uncredited)
Lex Barker
Glenn Cassidy
Pascale Petit
Lotty (Vienna segment)
Herbert Fux
Thug #2 (Vienna segment) (uncredited)
Raoul Retzer
Doorman (Vienna segment) (uncredited)
Carla Calò
Female boss (Rome segment)