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

John Alvin
Young Intellectual (uncredited)

Morris Ankrum
Prosecutor (uncredited)

Griff Barnett
Judge (uncredited)

Monte Blue
Gas Station Executive (uncredited)

Gail Bonney
Woman (uncredited)

Glen Cavender
Pedestrian Onlooker (uncredited)

Dorothy Christy
Society Woman (uncredited)

Tristram Coffin
Toohey's Secretary (uncredited)

G. Pat Collins
Jury Foreman (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)

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)

Paul Harvey
Opera Businessman (uncredited)

Henry Hebert
Juror (uncredited)

Russell Hicks
Banner Board Member (uncredited)

Selmer Jackson
Cortlandt Official (uncredited)

Fred Kelsey
Old Watchman (uncredited)

Douglas Kennedy
Reporter (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)

Lee Phelps
Juror (uncredited)

Bob Reeves
Juror (uncredited)

Almira Sessions
Dominique's Housekeeper at Quarry (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)

Harry Woods
Quarry Superintendent (uncredited)

George Blagoi
Rally Spectator (uncredited)