Bela Lugosi

Dr. Alex Zorka / Dr. Zane

Robert Kent

Capt. Bob West

Dorothy Arnold

Jean Drew

Edwin Stanley

Dr. Fred Mallory

Regis Toomey

Lt. Jim Daly

Edward Van Sloan

Jarvis

Dora Clement

Ann Zorka

Anthony Averill

Rankin

Frank Mayo

Train Engineer

Jim Farley

Skipper

Eddie Acuff

Mac

Reed Howes

Signalman

Hooper Atchley

Experimental Lab Tech

Roy Barcroft

AMI Agent Parker

Al Bridge

White Rose Sailor

Don Brodie

Thug

Lane Chandler

Henchman with Rankin

Edmund Cobb

Army Sergeant

Lee J. Cobb

Road Crew Foreman (archive footage)

Eddie Dunn

Policeman