as Jack's Friend (uncredited)

as Curtis Whitman

as Jack

as Robert "Bob" Eller

as Ralph Percy

as Richard Cabot

as Bruce Gordon

as Mike Samo

as (archive footage)

as Steve Randall

as Nick Mantee

as Dallas

as Alan Armstrong / Spy Smasher / Jack Armstrong

as Jim Murray

as Lamont Cranston / The Shadow

as Lamont Cranston / The Shadow

as Lamont Cranston / The Shadow

as Lee Davis

as Jim Marsden

as Jerry Devery

as Nifty Morgan

as Frank Bradley

as Reggie (uncredited)

as Tom 'Bomber' Brown / Tom Hayes

as Clay Harrison

as Hal Rogers

as Kane Halliday aka Kid Roberts

as Don Gray

as Jim Morgan

as Bob Moore

as Lawrence 'Larry' Deering

as Alan Armstrong / Jack Armstrong

as Jerry Carter

as Joe MacIntyre

as Tom Marlin

as Sgt. Cummings

as Eddie Condon

as Lieutenant Wilbur Allister

as Tom Stone

as Student

as Lieutenant Dick 'Tex' Price

as Cliff Mallory

as Don Shawhan

as NWMP Cpl. Jerry Hale

as Eddie Farrell

as Detective (uncredited)

as Ray

as Stanley Lowell

as Young Officer at Beer Garden (Uncredited)

as Alan Davis

as Matt Hibbard

as J.W. 'Jack' Keaton, Jr.

as Bob, college boy at club

as Paul Conrad

as Jack Hall

as Tex Hanlon

as Logger Paying Doctor (uncredited)

as Al Williams

as Frank Martin

as Brick Bradford

as Capt. Baker

as Alex Anderson

as Steve-Detective

as Paulie Mitchell

as Mason

as Elmer Laydon - One of The Four Horsemn

as Dale Wentworth

as 1st Admirer

as Sam Wire

as Adam Dyer

as Talgon's Brother - a Martian Captain

as Bradley (uncredited)

as Stratosled Pilot (Talgon's Brother)

as Party Guest (uncredited)

as Sergei

as Ensign Wright (uncredited)

as Lt. Larry Farrell

as Lt. Wood

as Party Guest

as Party Guest (Uncredited)

as Joe

as Jimmy Stafford