- Country: USA
- Genres: Crime, Drama, Film-Noir
- Release: 1949-06-01
- Director: Joseph H. Lewis
- Writers: Frank J. Wilson , Jack Rubin , Sydney Boehm , Malvin Wald
- Language: English | Italian
- Stars: Glenn Ford , Nina Foch (1924–2008) , James Whitmore , Barry Kelley , David Bauer (I) (1917–1973) , Frank Tweddell , Howard St. John , John F. Hamilton , Leo Penn , Joan Lazer
- Runtime: 85 min
- Awards: N/A
- AKA: O Czar Negro (Brazil) , Alarm in der Unterwelt , Ο υπόκοσμος του Σικάγου (Greece) , Lain vihollinen (Finland) , Alarm in der Unterwelt (Austria) , Edderkoppen (Denmark) , Todos Os Que Falaram Morreram (Portugal, Portuguese Republic) , Relato criminal (Spain) , The Undercover Man (United States of America) , Le maître du gang (France, French Republic) , The Undercover Man , Agentul sub acoperire (Romania) , The Undercover Man (United Kingdom) , Chicago Story (United States of America) , Destino de fuego (Argentina) , Lagens fiende nr. 1 (Sweden) , The Undercover Man (Canada) , Destino de fuego (Mexico) , O ypokosmos tou Chicagou (Greece) , Сыщик , Mani lorde (Italy)
- Plot: Treasury Department agent Frank Warren takes on the case of a mob leader who has evaded paying taxes on his ill-gotten gains.
- IMDB:tt0042006
The Undercover Man Cast · · · ALL
Joseph H. Lewis
Director
Glenn Ford
Frank Warren
Nina Foch
(1924–2008)
Judith Warren
James Whitmore
George Pappas
Barry Kelley
Attorney Edward J. O'Rourke
Frank Tweddell
Inspector Herzog
Howard St. John
Joseph S. Horan
John F. Hamilton
Police Desk Sergeant Shannon
Leo Penn
Sidney Gordon
Joan Lazer
Rosa Rocco
Esther Minciotti
(1888–1962)
Maria Rocco
Angela Clarke
Theresa Rocco
Anthony Caruso
Salvatore Rocco
Robert Osterloh
Emanuel 'Manny' Zanger
Kay Medford
Gladys LaVerne
Patricia Barry
Muriel Gordon
David Bauer
(I)
(1917–1973)
Stanley Weinburg
Richard Bartell
Bailiff
Peter Brocco
Johnny
John Butler
Grocer / Bookie
Wheaton Chambers
Parker's Secretary
Tom Coleman
Roy Darmour
Hoodlum
George Douglas
District Attorney
Ben Erway
Court Clerk
Virginia Farmer
Mrs. Weisner