as

Alan Armstrong / Spy Smasher / Jack Armstrong

as

(archive footage)

as

Nick Mantee

as

Stanley Lowell

as

Brick Bradford

as

Mike Samo

as

Lamont Cranston / The Shadow

as

Lamont Cranston / The Shadow

as

Lamont Cranston / The Shadow

as

Tex Hanlon

as

Sam Wire

as

Jerry Devery

as

Bob Moore

as

Eddie Condon

as

Lt. Larry Farrell

as

Jim Marsden

as

Frank Martin

as

Alex Anderson

as

Mason

as

Sgt. Cummings

as

Sergei

as

Ensign Wright (uncredited)

as

Alan Armstrong / Jack Armstrong

as

Steve-Detective

as

Steve Randall

as

Jim Murray

as

Don Shawhan

as

Paul Conrad

as

Capt. Baker

as

Adam Dyer

as

Ralph Percy

as

Richard Cabot

as

Elmer Laydon - One of The Four Horsemn

as

Lt. Wood

as

Curtis Whitman

as

Lieutenant Dick 'Tex' Price

as

Eddie Farrell

as

Alan Davis

as

Matt Hibbard

as

Al Williams

as

Paulie Mitchell

as

Jack's Friend (uncredited)

as

Detective (uncredited)

as

Talgon's Brother - a Martian Captain

as

Bradley (uncredited)

as

Stratosled Pilot (Talgon's Brother)

as

Lawrence 'Larry' Deering

as

Jerry Carter

as

Joe MacIntyre

as

Tom Marlin

as

Cliff Mallory

as

Tom 'Bomber' Brown / Tom Hayes

as

Clay Harrison

as

Don Gray

as

Jim Morgan

as

Logger Paying Doctor (uncredited)

as

Joe

as

Bruce Gordon

as

Frank Bradley

as

NWMP Cpl. Jerry Hale

as

J.W. 'Jack' Keaton, Jr.

as

Jack Hall

as

Dale Wentworth

as

Jimmy Stafford

as

Jack

as

Robert "Bob" Eller

as

Dallas

as

Lee Davis

as

Young Officer at Beer Garden (Uncredited)

as

Bob, college boy at club

as

Party Guest

as

Party Guest (Uncredited)

as

Ray

as

Tom Stone

as

Nifty Morgan

as

Reggie (uncredited)

as

Hal Rogers

as

Kane Halliday aka Kid Roberts

as

Lieutenant Wilbur Allister

as

1st Admirer

as

Student

as

Party Guest (uncredited)