- Country: France, USA
- Genres: Crime, Drama, Thriller
- Release: 1965-09-08
- Director: Ralph Nelson
- Writers: Zekial Marko
- Language: English | Italian | Cantonese
- Stars: Alain Delon , Ann-Margret , Van Heflin , Jack Palance , John Davis Chandler , Jeff Corey , Steve Mitchell , Tammy Locke , Tony Musante , Zekial Marko
- Runtime: 107 min
- Awards: 1 win & 1 nomination
- AKA: Fui un ladrón (Argentina) , Once a Thief , Fui un ladrón (Mexico) , Ubica iz San Franciska , Volt egyszer egy tolvaj (Hungary) , A Marca de um Erro (Brazil) , En gång tjuv... (Sweden) , Les tueurs de San Francisco (Canada) , El último homicidio (Spain) , Scratch a Thief (United States of America) , O kleftis (Greece) , Homicídio em São Francisco (Portugal, Portuguese Republic) , Kerran varas... (Finland) , Doğru yoldan ayrılanlar (Turkey) , 泥棒を消せ (Japan) , Był sobie złodziej (Poland) , Engang tyv... (Norway) , A fost cândva hoț (Romania) , Once a Thief (Korea) , Millionenraub in San Francisco (Germany) , Fui un ladrón (Colombia) , Once a Thief (United Kingdom) , Millionenraub in San Francisco (Austria) , Жил-был вор , Once a Thief (Canada) , Les tueurs de San Francisco (France, French Republic) , L'ultimo omicidio (Italy) , Een gang tyv (Denmark) , Millionenraub in San Francisco
- Plot:
Ex-convict Eddie and his wife, Kristine, attempt to build a new life for themselves and their daughter Kathy in San Francisco, but police officer Mike Vido is determined to send Eddie back to prison.
- IMDB:tt0059540
Once a Thief Cast · · · ALL
Ralph Nelson
Director
Alain Delon
Eddie Pedak
Ann-Margret
Kristine Pedak
Van Heflin
Inspector Mike Vido
Jack Palance
Walter Pedak
John Davis Chandler
James Arthur Sargatanas, Walter's Henchman
Jeff Corey
Lieutenant Kebner
Steve Mitchell
Frank Kane
Tammy Locke
Kathy Pedak
Tony Musante
Cleveland 'Cleve' Shoenstein
Zekial Marko
Luke
Yuki Shimoda
John Ling
Robert Foulk
George (Uncredited)
Henry Leff
James (Uncredited)
Joanna Pang
Maria (Uncredited)
Paul Frees
(1920–1986)
Voice of Luke (Uncredited)
Sam Flint
Security Guard (Uncredited)
Bebe Louie
Bar Girl (Uncredited)
Robert B. Williams
Foreman (Uncredited)
Lili Valenty
Mrs. Vido (Uncredited)