Ralph Bellamy

Insp. Steve Trent

Shirley Grey

Betty Lane

Gail Patrick

Helen Stanley

Kane Richmond

Lee Davis

Bradley Page

George T. Noel

Vincent Sherman

Karl Williams

Phillip Trent

Larry King (as Clifford Jones)

Arthur Rankin

Jimmy

Lucien Prival

Gibson

Ward Bond

Jack Baker

Helen Eby-Rock

Jessie Allen

Frank O'Connor

Ballistic Expert

Charles Brinley

Electrician (uncredited)

A.S. Byron

Detective #3 (uncredited)

Stephen Chase

Wallach (uncredited)

D. Ross Lederman