Nina Foch as Celeste

Stephen Crane as Robert 'Bob' Morris

Osa Massen as Elsa Chauvet

Blanche Yurka as Bianca

Barton MacLane as Lt. Barry Lane

John Abbott as Peter Althius (uncredited)

Fred Graff as Pinky (uncredited)

Fritz Leiber as Dr. Charles Morris (uncredited)

Milton Parsons as Adamson (uncredited)

Ray Teal as Ed, a Policeman (uncredited)

Ivan Triesault as Jan Spavero (uncredited)