El manantial

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)