Casts
Hugh Beaumont
as Dennis O'Brien
Edward Brophy
as 'Professor' Fredrick Simpson Schicka
Richard Travis
as Inspector Bruger
Joan Valerie
as Irma Rand
Wanda McKay
as Sylvia Rand
Rebel Randall
as Gail Chase
William Tannen
as Ed Gannon
Greg McClure
as Steve Belzig alias Vic Lundy
Anthony Warde
as Bill Rafferty
Abner Biberman
as Eddie Paige
