Johanna Matz
Monique Carrar (Vienna segment)
Richard Münch
Professor Alden (Frame story)
Peter Vogel
Wendt, Suspected girls' killer (Frame story)
Agnès Spaak
Nelly Small (Rio segment)
Herbert Fux
Thug #2 (Vienna segment) (uncredited)
Harald Dietl
Hans, Thug #1 (Vienna segment) (uncredited)
Raoul Retzer
Doorman (Vienna segment) (uncredited)
Margaret Lee
Agent Linda (Rome segment)
Carla Calò
Female boss (Rome segment)
Fregolente
Harry Brenton (Rio segment)
Kim Camba
Gigi (Rome segment) (unconfirmed)
Fortunato Arena
Taxi driver (Rome segment) (uncredited)
Alberto Bonucci
Professor (Rome segment) (uncredited)
Pietro Ceccarelli
Gangster #2 (Rome segment) (uncredited)
Spartaco Conversi
Gangster #4 (Rome segment) (uncredited)
Franco Daddi
Gangster #3 (Rome segment) (uncredited)
Robert Favart
Sergej (Vienna segment) (uncredited)
Michael Janisch
Kurt Waldeck (Vienna segment) (uncredited)
José Lewgoy
President (Rio segment) (uncredited)
Luciano Pigozzi
Ivan (Rome segment) (uncredited)
