Russell Hopton

Det. Lt. Ted Mallory

Acting

Lola Lane

Kay Palmer

Acting

George F. Marion

Jim Gray

Acting

John St. Polis

Prof. Trowbridge

Acting

Lee Kohlmar

Prof. Ernst Einfeld

Acting

Lew Kelly

Det. Regan

Acting

E.H. Calvert

District Attorney

Acting

Wheeler Oakman

Acting

Robert Frazier

Acting

Cornelius Keefe

Acting

John Davidson

Acting

John Dilson

Acting