Party Guest (uncredited)

Nightclub Patron (uncredited)

Student

1st Admirer

Nifty Morgan

Reggie (uncredited)

Hal Rogers

Lieutenant Wilbur Allister

Tom Stone

Ray

Dallas

Party Guest (Uncredited)

Lee Davis

Bob, college boy at club

Young Officer at Beer Garden (Uncredited)

Jack

Party Guest

Robert "Bob" Eller

Bruce Gordon

J.W. 'Jack' Keaton, Jr.

Frank Bradley

NWMP Cpl. Jerry Hale

Jack Hall

Jimmy Stafford

Dale Wentworth

Tom 'Bomber' Brown / Tom Hayes

Clay Harrison

Jim Morgan

Joe

Logger Paying Doctor (uncredited)

Lawrence 'Larry' Deering

Jerry Carter

Joe MacIntyre

Tom Marlin

Cliff Mallory

Jack's Friend (uncredited)

Detective (uncredited)

Stratosled Pilot (Talgon's Brother)

Bradley (uncredited)

Talgon's Brother - a Martian Captain

Curtis Whitman

Lieutenant Dick 'Tex' Price

Eddie Farrell

Alan Davis

Matt Hibbard

Al Williams

Paulie Mitchell

Richard Cabot

Ralph Percy

Elmer Laydon - One of The Four Horsemn

Lt. Wood

Capt. Baker

Steve Randall

Jim Murray

Don Shawhan

Paul Conrad

Adam Dyer

Steve-Detective

Alan Armstrong / Jack Armstrong

Ensign Wright (uncredited)

Sergei

Sgt. Cummings

Mason

Jim Marsden

Frank Martin

Alex Anderson

Jerry Devery

Bob Moore

Eddie Condon

Lt. Larry Farrell

Mike Samo

Lamont Cranston / The Shadow

Lamont Cranston / The Shadow

Lamont Cranston / The Shadow

Tex Hanlon

Sam Wire

Stanley Lowell

Brick Bradford

Nick Mantee

(archive footage)

Alan Armstrong / Spy Smasher / Jack Armstrong