
The story unfolds amid the snarling crack of a machine gun. Treasury agent Frank Warren is assigned to end a powerful mob crime boss’s operations. He goes undercover, posing as a criminal to gather intelligence, but finds only terrified witnesses and corrupt police officers, leaving him frustrated and in constant danger.
Does The Undercover Man have end credit scenes?
No!
The Undercover Man does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The Undercover Man, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Joe Mantell
Newsboy (uncredited)

Barry Kelley
Attorney Edward J. O'Rourke

John Ireland
Narrator (voice) (uncredited)

Jack Gordon
Hoodlum (uncredited)

Howard St. John
Joseph S. Horan

Peter Brocco
Johnny (uncredited)

Glenn Ford
Frank Warren

Nina Foch
Judith Warren

Anthony Caruso
Salvatore Rocco

James Whitmore
George Pappas

Esther Minciotti
Maria Rocco

Angela Clarke
Theresa Rocco

Ralph Volkie
Big Man

Kay Medford
Gladys LaVerne

Robert Malcolm
Malibu Policeman

Patricia Barry
Muriel Gordon

Helen Wallace
Mrs. O'Rourke (uncredited)

Brian O'Hara
Policeman

Daniel Meyers

Ben Erway
Court Clerk

David Bauer
Stanley Weinburg

Glen Thompson
Hoodlum

Cosmo Sardo
Man Departing Train

Arthur Tovey
Federal Agent Guarding Witnesses (uncredited)

Bernard Sell

Wally Rose
Hoodlum

Than Wyenn
Cabbie

Leo Penn
Sidney Gordon

John George
Onlooker at Murder Scene (uncredited)

Larry Steers
Man in Movie Audience

Frank Mayo
Jury Foreman

Billy Nelson
Horse Parlor Bouncer (uncredited)

Robert Haines
Coroner's Office Phone Clerk

Tom Coleman
Plainclothesman (uncredited)

Kit Guard
Passerby

Franklin Parker

Allen Mathews
Policeman

Bert Stevens
Plainclothesman

Cy Malis
Hoodlum

Joe Palma
Policeman

Sol Gorss
Joseph Clark - Hoodlum (uncredited)

Virginia Farmer
Mrs. Weisner

Wheaton Chambers
Parker's Secretary

Tom Hanlon
Newsreel Announcer

Al Murphy

Frank Tweddell
Inspector Herzog

Ed Randolph

Paul Marion
Hoodlum

Rose Plumer
Rocco Tenement Resident

Robert Osterloh
Emanuel 'Manny' Zanger

Everett Glass
Judge Allen F. Parker (uncredited)

Edwin Max
Horse Parlor Manager

Jim Drum
Policeman

Roy Darmour
Hoodlum

Harlan Warde
Hoodlum

Marcella Cisney
Alice Ferguson

John F. Hamilton
Police Desk Sergeant Shannon

William Vedder
Druggist

Peter Virgo
Cigar-Store Owner / Bookie

George Douglas
District Attorney

Pat Lane
Policeman

Joan Lazer
Rosa Rocco

Richard Bartell
Bailiff

Michael Cisney
Michael Cisney

Sidney Dubin
Harris

Irene Martin

Silvio Minciotti
Vendor

Stella LeSaint

William Rhinehart
Gunman

Bill Stubbs
Gambler

Esther Zeitlin
Discover where to watch The Undercover Man online, including streaming platforms, rental options, and official sources. Compare reviews, ratings, and in-depth movie information across sites like IMDb, TMDb, Wikipedia or Letterboxd.
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