Howard Roark

Gary Cooper

Dominique Francon

Patricia Neal

Gail Wynand

Raymond Massey

Peter Keating

Kent Smith

Ellsworth Toohey

Robert Douglas

Henry Cameron

Henry Hull

Roger Enright

Ray Collins

Chairman

Moroni Olsen

Alvah Scarret

Jerome Cowan

Opera Businessman (uncredited)

Paul Harvey

Newsboy (uncredited)

Bob Alden

Opera businessman (uncredited)

Paul Harvey

Businessman at party (uncredited)

Thurston Hall

Young intellectual (uncredited)

John Alvin

Quarry superintendent (uncredited)

Harry Woods

Prosecutor (uncredited)

Morris Ankrum

Female Party Guest (uncredited)

Lois Austin

Dean who expels Roark (uncredited)

Paul Stanton

Judge (uncredited)

Griff Barnett

Toohey's secretary (uncredited)

Tristram Coffin

Gas Station Executive (uncredited)

Monte Blue

Woman (uncredited)

Gail Bonney

Vice-President (uncredited)

Roy Gordon

Secretary (uncredited)

Isabel Withers

Courtroom Spectator (uncredited)

Ralph Brooks

Pedestrian Onlooker (uncredited)

Glen Cavender

Dominique's housekeeper at quarry (uncredited)

Almira Sessions

Worker

Tito Vuolo

Society woman (uncredited)

Dorothy Christy

Pasquale Orsini (uncredited)

Tito Vuolo

Worker (uncredited)

William Haade

Woman

Gail Bonney

Court Clerk (uncredited)

Tom Coleman

Jury Foreman (uncredited)

G. Pat Collins

Party Guest (uncredited)

James Conaty

Young man (uncredited)

Harlan Warde

Banner Shipping Clerk (uncredited)

Bill Dagwell

Guy Francon (uncredited)

Jonathan Hale

Gordon Prescott (uncredited)

Frank Wilcox

Wynand's Secretary (uncredited)

Ann Doran

Reporter (uncredited)

Douglas Kennedy

Minor Role (uncredited)

Lester Dorr

Official

Pierre Watkin

Gus Webb (uncredited)

John Doucette

Cortlandt official (uncredited)

Pierre Watkin

Cortlandt official (uncredited)

Selmer Jackson

Party Guest (uncredited)

Jay Eaton

Woman at Enright party (uncredited)

Estelle Etterre

Banner Board Member (uncredited)

Charles Evans

Juror (uncredited)

Raoul Freeman

Woman

Geraldine Wall

Old Watchman (uncredited)

Fred Kelsey

Policeman

Paul 'Tiny' Newlan

Policeman

George Sherwood

Court Clerk (uncredited)

Creighton Hale

Hostess

Josephine Whittell

Prosecutor

Morris Ankrum

Board Member / Courtroom Spectator (uncredited)

Sam Harris

Juror (uncredited)

Henry Hebert

Banner Board Member (uncredited)

Russell Hicks

Board Member (uncredited)

Bert Howard

Secretary

Ruthelma Stevens

Bailiff (uncredited)

Philo McCullough

Gas Station Executive

Monte Blue

Director (uncredited)

Raymond Largay

Party Guest (uncredited)

Harold Miller

Jury Member (uncredited)

Boyd 'Red' Morgan

Construction Foreman (uncredited)

Jack Mower

Policeman (uncredited)

Paul Newlan

Director

King Vidor