- Whit Bissell - Sid Bennet
- Roy Roberts - Mayor of New York
- Connie Gilchrist - Belle - the Landlady
- Dan Riss - Skrip
- Harry Shannon - Police Officer Houlihan
- Jim Backus - Willie Dennis (uncredited)
- Jay Barney - Angry Man in Tenement (uncredited)
- George Baxter - Drug Company Executive (uncredited)
- Eumenio Blanco - Passerby (uncredited)
- John Bleifer - Walda's Uncle (uncredited)
- Gail Bonney - Observer in Crowd (uncredited)
- Chet Brandenburg - Observer on Street (uncredited)
- Peter Brocco - Tom the Wino (uncredited)
- Barry Brooks - Policeman (uncredited)
- George Bruggeman - Vaccinated Man (uncredited)
- Walter Burke - Danny - Bellhop (uncredited)
- James Bush - Hennick (uncredited)
- Dick Cherney - Radio Station Worker (uncredited)
- Angela Clarke - Mrs. Dominic (uncredited)
- Oliver Cross - Government Official (uncredited)
- Jack Deery - Reporter (uncredited)
- Paul Dubov - Intern, Phil (uncredited)
- Richard Egan - Treasury Agent Owney (uncredited)
- Edythe Elliott - Nurse (uncredited)
- Roy Engel - Colonel (uncredited)
- Charles Evans - General (uncredited)
- George Ford - Federal Agent (uncredited)
- Robert Foulk - Cop (uncredited)
- Alex Gerry - Drug Company Executive (uncredited)
- Everett Glass - Elderly Doctor (uncredited)
- Billy Gray - Pinkie (uncredited)
- Reed Hadley - Narrator (uncredited)
- Alvin Hammer - Worried Man (uncredited)
- Timmy Hawkins - Kid (uncredited)
- Mary Alan Hokanson - Nurse Donna (uncredited)
- Patricia Iannone - Girl (uncredited)
- Teddy Infuhr - Boy Outside Willie's Place (uncredited)
- Tommy Ivo - Jerry - Blond Boy (uncredited)
- Eugene Jackson - Bootblack (uncredited)
- Anthony Jochim - Observer in Crowd (uncredited)
- Louise Kane - Teacher (uncredited)
- Paul Keast - Drug Company Executive (uncredited)
- Guy Kingsford - Manning (uncredited)
- Don Kohler - Ted James (uncredited)
- Ethan Laidlaw - Observer on Street (uncredited)
- Norman Leavitt - The Photographer (uncredited)
- King Lockwood - Reporter (uncredited)
- Celia Lovsky - Mrs. Kowalski (uncredited)
- Sydney Mason - Sober Man (uncredited)
- Merrill McCormick - Man on Telephone (uncredited)
- Russell Meeker - Reporter (uncredited)
- Carl Milletaire - Cynic (uncredited)
- Frances Morris - Housewife (uncredited)
- Pat O'Malley - Police Sergeant (uncredited)
- Gary Pagett - Baseball Kid (uncredited)
- Paul Picerni - Health Department Investigator (uncredited)
- James Pierce - Police Commissioner (uncredited)
- Harry Raven - Man on Phone (uncredited)
- Cosmo Sardo - Observer in Crowd (uncredited)
- Warren Schannon - Kid (uncredited)
- Lester Sharpe - Mr. Kowalski (uncredited)
- Arthur Space - Dr. Penner (uncredited)
- George Spaulding - Borum (uncredited)
- Ray Spiker - Observer on Street (uncredited)
- Peter Virgo - Joe Dominic (uncredited)
- Ray Walker - Wise Guy (uncredited)
- Helen Wallace - Mother Superior (uncredited)
- Beverly Washburn - Walda Kowalski (uncredited)
- Charles Watts - Charlie (uncredited)
- Blackie Whiteford - Observer on Street (uncredited)
- Gayne Whitman - Doctor (uncredited)
- Chalky Williams - Radio Station Worker (uncredited)
-
Earl McEvoy
- Harry Essex
-
Robert Cohn
- Hans J. Salter
- Morris Stoloff
Evelyn Keyes interpreta a Sheila Bennet en la película.
Charles Korvin interpreta a Matt Krane en la película.
William Bishop hace el papel de Dr. Ben Wood.
Dorothy Malone interpreta a Alice Lorie en la película.
Lola Albright interpreta a Francie Bennet en la película.
Barry Kelley hace el papel de Treasury Agent Johnson.
Carl Benton Reid hace el papel de Health Commissioner Ellis.
Ludwig Donath interpreta a Dr. Cooper en la película.
Art Smith interpreta a Anthony Moss en la película.
Whit Bissell hace el papel de Sid Bennet.
Roy Roberts interpreta a Mayor of New York en la película.
Connie Gilchrist interpreta a Belle - the Landlady en la película.
Dan Riss interpreta a Skrip en la película.
Harry Shannon interpreta a Police Officer Houlihan en la película.
Jim Backus interpreta a Willie Dennis (uncredited) en la película.
Jay Barney interpreta a Angry Man in Tenement (uncredited) en la película.
George Baxter interpreta a Drug Company Executive (uncredited) en la película.
Eumenio Blanco interpreta a Passerby (uncredited) en la película.
John Bleifer hace el papel de Walda's Uncle (uncredited).
Gail Bonney hace el papel de Observer in Crowd (uncredited).
Chet Brandenburg interpreta a Observer on Street (uncredited) en la película.
Peter Brocco interpreta a Tom the Wino (uncredited) en la película.
Barry Brooks hace el papel de Policeman (uncredited).
George Bruggeman interpreta a Vaccinated Man (uncredited) en la película.
Walter Burke interpreta a Danny - Bellhop (uncredited) en la película.
James Bush interpreta a Hennick (uncredited) en la película.
Dick Cherney interpreta a Radio Station Worker (uncredited) en la película.
Angela Clarke hace el papel de Mrs. Dominic (uncredited).
Oliver Cross interpreta a Government Official (uncredited) en la película.
Jack Deery interpreta a Reporter (uncredited) en la película.
Paul Dubov interpreta a Intern, Phil (uncredited) en la película.
Richard Egan interpreta a Treasury Agent Owney (uncredited) en la película.
Edythe Elliott interpreta a Nurse (uncredited) en la película.
Roy Engel interpreta a Colonel (uncredited) en la película.
Charles Evans interpreta a General (uncredited) en la película.
George Ford interpreta a Federal Agent (uncredited) en la película.
Robert Foulk hace el papel de Cop (uncredited).
Alex Gerry hace el papel de Drug Company Executive (uncredited).
Everett Glass interpreta a Elderly Doctor (uncredited) en la película.
Billy Gray interpreta a Pinkie (uncredited) en la película.
Reed Hadley interpreta a Narrator (uncredited) en la película.
Alvin Hammer hace el papel de Worried Man (uncredited).
Timmy Hawkins interpreta a Kid (uncredited) en la película.
Mary Alan Hokanson interpreta a Nurse Donna (uncredited) en la película.
Patricia Iannone interpreta a Girl (uncredited) en la película.
Teddy Infuhr interpreta a Boy Outside Willie's Place (uncredited) en la película.
Tommy Ivo interpreta a Jerry - Blond Boy (uncredited) en la película.
Eugene Jackson interpreta a Bootblack (uncredited) en la película.
Anthony Jochim hace el papel de Observer in Crowd (uncredited).
Louise Kane interpreta a Teacher (uncredited) en la película.
Paul Keast interpreta a Drug Company Executive (uncredited) en la película.
Guy Kingsford hace el papel de Manning (uncredited).
Don Kohler hace el papel de Ted James (uncredited).
Ethan Laidlaw interpreta a Observer on Street (uncredited) en la película.
Norman Leavitt interpreta a The Photographer (uncredited) en la película.
King Lockwood interpreta a Reporter (uncredited) en la película.
Celia Lovsky interpreta a Mrs. Kowalski (uncredited) en la película.
Sydney Mason interpreta a Sober Man (uncredited) en la película.
Merrill McCormick interpreta a Man on Telephone (uncredited) en la película.
Russell Meeker interpreta a Reporter (uncredited) en la película.
Carl Milletaire interpreta a Cynic (uncredited) en la película.
Frances Morris interpreta a Housewife (uncredited) en la película.
Pat O'Malley interpreta a Police Sergeant (uncredited) en la película.
Gary Pagett interpreta a Baseball Kid (uncredited) en la película.
Paul Picerni interpreta a Health Department Investigator (uncredited) en la película.
James Pierce interpreta a Police Commissioner (uncredited) en la película.
Harry Raven hace el papel de Man on Phone (uncredited).
Cosmo Sardo interpreta a Observer in Crowd (uncredited) en la película.
Warren Schannon hace el papel de Kid (uncredited).
Lester Sharpe interpreta a Mr. Kowalski (uncredited) en la película.
Arthur Space interpreta a Dr. Penner (uncredited) en la película.
George Spaulding interpreta a Borum (uncredited) en la película.
Ray Spiker interpreta a Observer on Street (uncredited) en la película.
Peter Virgo interpreta a Joe Dominic (uncredited) en la película.
Ray Walker interpreta a Wise Guy (uncredited) en la película.
Helen Wallace hace el papel de Mother Superior (uncredited).
Beverly Washburn hace el papel de Walda Kowalski (uncredited).
Charles Watts interpreta a Charlie (uncredited) en la película.
Blackie Whiteford hace el papel de Observer on Street (uncredited).
Gayne Whitman interpreta a Doctor (uncredited) en la película.
Chalky Williams interpreta a Radio Station Worker (uncredited) en la película.
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