Richard Bailey

Character: Lance Reardon

Linda Stirling

Character: Claire Forrest

Roy Barcroft

Character: Capt. Mephisto

Kenne Duncan

Character: Sidney Brand

Forrest Taylor

Character: Prof. William Forrest

Forbes Murray

Character: Prof. Harry Hargraves

Jack Ingram

Character: Edward Armstrong

Harry Strang

Character: Frederick "Fred" Braley

Ed Cassidy

Character: Paul Melton

Frank Alten

Character: John Raymond

Lane Chandler

Character: Police Insp. Reed

Russ Vincent

Character: Ruga

Dale Van Sickel

Character: Barker / Ritter / Lewis / Frazier / Sardon

Tom Steele

Character: Lyons / Bailey

Duke Green

Character: Spencer Harvey