David Porter

Glenn Cassidy

Agent Brice

Denise (Rio segment)

Karl (Vienna segment)

Monique Carrar (Vienna segment)

Gomez (Rio segment)

Professor Alden (Frame story)

Wendt, Suspected girls' killer (Frame story)

Lotty (Vienna segment)

Nelly Small (Rio segment)

Thug #2 (Vienna segment) (uncredited)

Hans, Thug #1 (Vienna segment) (uncredited)

Doorman (Vienna segment) (uncredited)

Agent Linda (Rome segment)

Pessana (Rio segment)

Female boss (Rome segment)

Joana (Rio segment)

Ray Runner (Rio segment)

Harry Brenton (Rio segment)

Gigi (Rome segment) (unconfirmed)

Taxi driver (Rome segment) (uncredited)

Professor (Rome segment) (uncredited)

Gangster #2 (Rome segment) (uncredited)

Gangster #4 (Rome segment) (uncredited)