La Baby-Sitter

Maria Schneider

Michelle

Sydne Rome

Ann

Vic Morrow

Vic

Robert Vaughn

Stuart Chase

John Whittington

"Boots" Peter Franklin

Nadja Tiller

Lotte

Carl Möhner

Cyrus Franklin

Clelia Matania

Old Neighbour

Marco Tulli

Commissaire Trieste

Armando Brancia

Inspector Carrara

Georg Marischka

Henderson

Renato Pozzetto

Gianni

Maria Cumani Quasimodo

Princess Ruspini (uncredited)

Margherita Horowitz

Maid (uncredited)

Carlo Ponti

Producer

Luciano Vincenzoni

Screenplay, Story

Jose Villaverde

Casting

Carlo Gervasi

Set Decoration

René Clément

Director, Screenplay

Mark Peploe

Screenplay

Francis Lai

Original Music Composer

Carlo Rambaldi

Special Effects Supervisor

Giovanni Fiore Coltellacci

Assistant Camera

Otello Fava

Makeup Artist

Jacques Bar

Executive Producer, Producer

Catherine Zins

Assistant Editor

Wolfdieter von Stein

Producer

Christiane Lack

Editor

Zev Braun

Producer

Alberto Spagnoli

Director of Photography

Nicola Badalucco

Screenplay, Story

Christian Gaubert

Musician, Conductor

Vic Morrow

Stunts

Fedora Zincone

Editor