Gary Cooper
Howard Roark
Patricia Neal
Dominique Francon
Raymond Massey
Gail Wynand
Kent Smith
Peter Keating
Robert Douglas
Elsworth Toohey
Henry Hull
Henry Cameron
Ray Collins
Roger Enright
Moroni Olsen
Chairman
Jerome Cowan
Alvah Scarret
Bob Alden
Newsboy (uncredited)
John Alvin
Young Intellectual (uncredited)
Morris Ankrum
Prosecutor (uncredited)
Lois Austin
Female Party Guest (uncredited)
Griff Barnett
Judge (uncredited)
Monte Blue
Gas Station Executive (uncredited)
Gail Bonney
Woman (uncredited)
Ralph Brooks
Courtroom Spectator (uncredited)
Glen Cavender
Pedestrian Onlooker (uncredited)
Dorothy Christy
Society Woman (uncredited)
Tris Coffin
Toohey's Secretary (uncredited)
Tom Coleman
Court Clerk (uncredited)
G. Pat Collins
Jury Foreman (uncredited)
James Conaty
Party Guest (uncredited)
Bill Dagwell
Banner Shipping Clerk (uncredited)
Ann Doran
Wynand's Secretary (uncredited)
Lester Dorr
Minor Role (uncredited)
John Doucette
Gus Webb (uncredited)
Jay Eaton
Party Guest (uncredited)
Estelle Etterre
Woman at Enright party (uncredited)
Charles Evans
Banner Board Member (uncredited)
Raoul Freeman
Juror (uncredited)
Roy Gordon
Vice-President (uncredited)
William Haade
Worker (uncredited)
Creighton Hale
Court Clerk (uncredited)
Jonathan Hale
Guy Francon (uncredited)
Thurston Hall
Businessman at Party (uncredited)
Sam Harris
Board Member / Courtroom Spectator (uncredited)
Paul Harvey
Opera Businessman (uncredited)
Henry Hebert
Juror (uncredited)
Russell Hicks
Banner Board Member (uncredited)
Bert Howard
Board Member (uncredited)
Selmer Jackson
Cortlandt Official (uncredited)
Fred Kelsey
Old Watchman (uncredited)
Douglas Kennedy
Reporter (uncredited)
Raymond Largay
Director (uncredited)
Philo McCullough
Bailiff (uncredited)
Harold Miller
Party Guest (uncredited)
Boyd 'Red' Morgan
Jury Member (uncredited)
Jack Mower
Construction Foreman (uncredited)
Paul Newlan
Policeman (uncredited)
Albert Petit
Board Member (uncredited)
Lee Phelps
Juror (uncredited)
Bob Reeves
Juror (uncredited)
Almira Sessions
Dominique's Housekeeper at Quarry (uncredited)
George Sherwood
Policeman (uncredited)
Paul Stanton
Dean Who Expels Roark (uncredited)
Larry Steers
Party Guest (uncredited)
Ruthelma Stevens
Roark's Secretary (uncredited)
Charles Trowbridge
Director (uncredited)
Tito Vuolo
Pasquale Orsini (uncredited)
Geraldine Wall
Woman (uncredited)
Harlan Warde
Young Man (uncredited)
Pierre Watkin
Cortlandt Official (uncredited)
Leo White
Pedestrian Onlooker (uncredited)
Josephine Whittell
Hostess (uncredited)
Frank Wilcox
Gordon Prescott (uncredited)
Isabel Withers
Secretary (uncredited)
Harry Woods
Quarry Superintendent (uncredited)
John Alban
Courtroom Spectator (uncredited)
George Blagoi
Rally Spectator (uncredited)
James Carlisle
Party Guest (uncredited)
Charles Fogel
Courtroom Spectator (uncredited)
Herschel Graham
Reporter (uncredited)