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)

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)

Dorothy Christy

Society Woman (uncredited)

Tris Coffin

Toohey's Secretary (uncredited)

G. Pat Collins

Jury Foreman (uncredited)

James Conaty

Party Guest (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)

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)

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)

Frank Wilcox

Gordon Prescott (uncredited)

Harry Woods

Quarry Superintendent (uncredited)

John Alban

Courtroom Spectator (uncredited)

Herschel Graham

Reporter (uncredited)