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)

Tristram Coffin
Toohey's Secretary (uncredited)