Russell Hopton

Det. Lt. Ted Mallory

Lola Lane

Kay Palmer

George F. Marion

Jim Gray

John St. Polis

Prof. Trowbridge

Lee Kohlmar

Prof. Ernst Einfeld

Lew Kelly

Det. Regan

E.H. Calvert

District Attorney

Wheeler Oakman

Robert Frazier

Cornelius Keefe

John Davidson

John Dilson