Pat O'Brien

George Steele

Claire Trevor

Terry Cordell

Herbert Marshall

Traybin

Ray Collins

Dr. Lowell

Wallace Ford

Lt. Cochrane

Dean Harens

Reynolds

Damian O'Flynn

Museum Curator Stevenson

Erskine Sanford

Museum Director Barton

Mary Ware

Mary

Alex Akimoff

Man (Uncredited)

John Ardell

Man (Uncredited)

Gertrude Astor

Nagging Wife on Train (Uncredited)

Al Bain

Arcade Patron (Uncredited)

Guy Beach

Station Agent (Uncredited)

Edward Biby

Lecture Guest (Uncredited)

Bonnie Blair

Dorothy (Uncredited)

Robert Bray

Man with Drunk (Uncredited)

George Bruggeman

Cop (Uncredited)

James Carlisle

Lecture Guest (Uncredited)

Jack Cheatham

Museum Attendant (Uncredited)