"A detective gets involved with the beautiful daughter of an old friend. The daughter turns out to be a jewel thief, who in turn gets the detective involved in a caper in Austria."
Rock Hudson
as Capt. Mike Harmon
Claudia Cardinale
as Esmeralda Marini
Tomas Milian
as Roger
Leon Askin
as Chief Wellman
Ellen Corby
as Maddy Walker
Walter Giller
as Franz
Guido Alberti
as Uncle Camillo Marini
Peter Dane
as Albert Kinsky
Tony Lo Bianco
as Officer McClusky (uncredited)
Claudio Trionfi
as
Vittorio Campanella
Gianni Minghini
Raniero Dorascenzi
Filippo Perego
Andrea Esterhazy
Aldo Formisano
Ruggero Salvadori
Alessandro Tedeschi
Empedocle Buzzanca
Alfonso Giganti
Francesco Maselli
Director
Luisa Montagnana
Story
Léo L. Fuchs
Producer
Franco Cristaldi
Screenplay
Larry Gelbart
Co-Writer
Sergio Merolle
Production Manager
Luciano Puccini
Production Design
Francesco Della Noce
Costume Design
Bruno Nicolai
Conductor
Oscar Brazzi
Line Producer
Serena Canevari
First Assistant Director
Enzo Merlini Fiore
Unit Manager
Alfredo Di Santo
Production Secretary
Dino Di Dionisio
Enzo Consolini
Administration
Elvira Zincone
Assistant Editor
Maurizio Scanzani
Camera Operator
Sandro Tamborra
Assistant Camera
Eugenio Rondani
Sound
Carlo Consolini
Boom Operator
Mario Tursi
Still Photographer
Pierantonio Mecacci
Makeup Artist
Luciano Vito
Hairstylist
Fausto Ancillai
Sound Mixer
Joseph Nathanson
Visual Effects
Ennio Morricone
Original Music Composer
Alfio Contini
Director of Photography
Nicoletta Nardi
Editor
Gabriele D'Angelo
Set Decoration
Enrico Sabbatini
Maria Pia Rocco
Script Supervisor