as Self (archive footage)

as Dr. Mark Williams

as Frank Brooks

as Kenneth Bradley

as Hugh Harkness

as Dr. Chet Walker

as Duke Bradley

as Rick

as Hal McByrne

as Buzz Doyle

as Frank Oliver

as Dave Markson

as Hank Scott

as Francis, King of France

as Taylor Henry

as Jonathan Maulle

as Bill Wyatt

as Frank Daniel

as Blaney Lewis

as Lee Kemper

as Mike Lassiter

as Dr. Bruce Merritt

as Steve Ward

as Jackra the Magnificent

as Jack Stoddard

as Rev. Fulton

as Call Boy (uncredited)

as Capt Allen Danton

as Al Reynolds

as Peter Wiggins

as 'Dakota' Jack Gaines

as Jerry Russell

as Chief Investigator Paul Reagan

as Bill Crane

as Charlie Webster

as Tom Davison

as Larry Wilson

as John Fairbanks

as Mr. Weems

as Jim 'Brooklyn' Gannon

as Don Adams

as Stanley Blair

as Joe

as Stacey Wyatt

as Alice's Father

as Bill Dixon

as Malcolm Bradley

as Major Gregory Keen

as Reporter (uncredited)

as Jeff Stewart

as Interne

as Commodore

as Dick Randolph

as Mark Russell

as Silk Patterson

as Minor Role

as Fred

as Murph

as Bruce Eaton

as Pilot

as Dennis Crane

as Dan Barton

as Lt. Rhody Graves

as Lt. Phillips

as Constable Thornton

as Lt. Larned

as (uncredited)

as Elevator Passenger

as Sgt. Major Pierre Benet

as Powder, Henchman

as Johnny Jordan

as Rex

as Buck Hogan

as Captain Reid

as Harry Vay

as Dr. John Waldron

as Hunk Jordan

as Midshipman Jepson

as Dr. George Lund

as Police Garage Mechanic

as Salesman (uncredited)

as Briggs

as Sailor (uncredited)