Robert Mitchum

Jeff Cameron

Faith Domergue

Margo

Claude Rains

Mr. Lannington

Maureen O'Sullivan

Julie

Charles Kemper

Police Chief

Ralph Dumke

Klauber

Billy House

Mr. Bogardus

Harry Shannon

Dr. Maynard

Philip Van Zandt

Milo DeLong

Jack Kelly

Dr. Mullenbach

Lillian West

Mrs. Bogardus

Sherry Jackson

Girl in Iron Lung (uncredited)

Dorothy Abbott

Nurse Clerk (uncredited)

Philip Ahlm

Customs Officer (uncredited)

Carlos Albert

Customs Officer (uncredited)

John Farrow