Tony Curtis

Paul Callan

Jan Sterling

Sonya Bartow

Mona Freeman

Ann Hollis

Wallace Ford

Jack 'Pop' Richardson

Connie Gilchrist

Mrs. Richardson

Katherine Locke

Mrs. Hollis

Harry Shannon

Mike Callan

Louis Jean Heydt

Whitey

Tom Powers

Andy Randolph

Nella Walker

Mrs. Hackett

Harry Guardino

Lou Callan

Ted Stanhope

Maris

Virginia Gregg

Claire (uncredited)

Bobby Barber

Nicky Blair

Student (uncredited)

Gail Bonney

Teacher (uncredited)

Harry Cheshire

Dr. Gundling (uncredited)

Karl 'Killer' Davis

Broadway Character (uncredited)

George Eldredge

Dr. Edgar Buell (uncredited)

Tommy Farrell

Rocky (uncredited)

Beatrice Gray

Mother (uncredited)

Grace Hayle

Laughing Woman (uncredited)

Ed Hinton

Cop (uncredited)

Donald Kerr

Mike Lally

Referee (uncredited)

Howard M. Mitchell

Announcer for Logan Fight (uncredited)

Eddie Parker

Man (uncredited)

Mike Ragan

Cop (uncredited)

Charles Sherlock

Logan's Manager (uncredited)

Carl Sklover

Referee for Lugano Fight (uncredited)

Charles Sullivan

Fight Fan (uncredited)

Ralph Volkie

Referee for Burns Fight (uncredited)

Frank Wilcox

Businessman (uncredited)