as Brick Bradford
as Party Guest (uncredited)
as Student
as J.W. 'Jack' Keaton, Jr.
as Paul Conrad
as Jack Hall
as Joe
as (archive footage)
as Steve Randall
as Nifty Morgan
as Jim Murray
as Ralph Percy
as Jimmy Stafford
as Bob Moore
as Tom Marlin
as Capt. Baker
as Stanley Lowell
as Hal Rogers
as Young Officer at Beer Garden (Uncredited)
as Detective (uncredited)
as Frank Martin
as Tom Stone
as Dallas
as Reggie (uncredited)
as Alan Armstrong / Jack Armstrong
as Don Shawhan
as Lieutenant Dick 'Tex' Price
as Robert "Bob" Eller
as Ray
as Dale Wentworth
as Ensign Wright (uncredited)
as Jerry Carter
as Steve-Detective
as Jack's Friend (uncredited)
as Mike Samo
as 1st Admirer
as Talgon's Brother - a Martian Captain
as Jerry Devery
as Joe MacIntyre
as Jim Morgan
as Adam Dyer
as Alan Davis
as Lee Davis
as Sam Wire
as Elmer Laydon - One of The Four Horsemn
as Lt. Wood
as Lieutenant Wilbur Allister
as Frank Bradley
as Matt Hibbard
as Lt. Larry Farrell
as Stratosled Pilot (Talgon's Brother)
as Bob, college boy at club
as Al Williams
as Richard Cabot
as Party Guest (Uncredited)
as Bruce Gordon
as Alan Armstrong / Spy Smasher / Jack Armstrong
as Curtis Whitman
as Jack
as Mason
as Lamont Cranston / The Shadow
as Sergei
as Cliff Mallory
as Nick Mantee
as Bradley (uncredited)
as Paulie Mitchell
as Alex Anderson
as Lawrence 'Larry' Deering
as Sgt. Cummings
as Eddie Farrell
as Tex Hanlon
as Jim Marsden
as Logger Paying Doctor (uncredited)
as Party Guest
as NWMP Cpl. Jerry Hale
as Eddie Condon
as Tom 'Bomber' Brown / Tom Hayes
as Clay Harrison
