Dr. Alex Zorka / Dr. Zane

Lugosi Béla

Acting

Capt. Bob West

Robert Kent

Acting

Jean Drew

Dorothy Arnold

Acting

Dr. Fred Mallory

Edwin Stanley

Acting

Lt. Jim Daly

Regis Toomey

Acting

Monk

Jack C. Smith

Acting

Jarvis

Edward Van Sloan

Acting

Ann Zorka

Dora Clement

Acting

Rankin

Anthony Averill

Acting

Perkins

Hugh Huntley

Acting

Al

Monte Vandergrift

Acting

Train Engineer

Frank Mayo

Acting

Skipper

Jim Farley

Acting

Mac

Eddie Acuff

Acting

Signalman

Reed Howes

Acting

The Robot

Ed Wolff

Acting

Experimental Lab Tech

Hooper Atchley

Acting

AMI Agent Parker

Roy Barcroft

Acting

Smith

Robert Blair

Acting

White Rose Sailor

Al Bridge

Acting

Thug

Don Brodie

Acting

Henchman with Rankin

Lane Chandler

Acting

Army Sergeant

Edmund Cobb

Acting

Road Crew Foreman (archive footage)

Lee J. Cobb

Acting

Policeman

Eddie Dunn

Acting

Henchman with Rankin

Jerry Frank

Acting

Brown

Karl Hackett

Acting

Cop

Charles King

Acting

Thug-Pilot / Schooner Crewman

George Magrill

Acting

Airplane Mechanic

Monte Montague

Acting

AMI Chief

Pat O'Malley

Acting

Schooner Sailor

David Sharpe

Acting

Train Conductor / Radio Truck Driver

Tom Steele

Acting

Black

Forrest Taylor

Acting

Schooner Crewman

Harry Wilson

Acting