Richard Denning

as Charles Van Heuran

as Tony Albertini

as Francis, King of France

as Commodore

as Governor

as The Governor

as Self (archive footage)

as Alice's Father

as Steve Scott

as Jonathan Maulle

as Michael Shayne

as Dr. George Lund

as Sgt. Major Pierre Benet

as Al Reynolds

as Hank Scott

as Kenneth Bradley

as Dr. Bruce Merritt

as Duke Bradley

as Major Gregory Keen

as Rev. Fulton

as Steve Ward

as Rick

as Frank Daniel

as 'Dakota' Jack Gaines

as Dr. Chet Walker

as Mark Russell

as Stanley Blair

as Frank Brooks

as Stacey Wyatt

as Dr. Mark Williams

as Jerry Russell

as Dave Markson

as Chief Investigator Paul Reagan

as Mike Lassiter

as Dr. Mark Andrews

as Jim Kendall

as Lee Kemper

as Col. Patterson

as Malcolm Bradley

as Lt. Phillips

as Don Adams

as Dr. John Waldron

as Tom Davison

as Larry Wilson

as Buzz Doyle

as Jeff

as Jim 'Brooklyn' Gannon

as Hugh Harkness

as Bill Wyatt

as Jack Marshall

as John Fairbanks

as Peter Wiggins

as Blaney Lewis

as Capt Allen Danton

as Rex

as Bill Dixon

as Hal McByrne

as Jeff Stewart

as Taylor Henry

as Jackra the Magnificent

as Lt. Rhody Graves

as Jack Stoddard

as Joe

as Constable Thornton

as Bill Crane

as Briggs

as Charlie Webster

as Dennis Crane

as Bruce Eaton

as Dan Barton

as Call Boy (uncredited)

as Lt. Larned

as Dick Randolph

as Hunk Jordan

as Murph

as Frank Oliver

as Fred

as Mr. Weems

as (uncredited)

as Reporter (uncredited)

as Johnny Jordan (scenes cut)

as Jeff, Protective Association Henchman

as Powder, Henchman

as Police Garage Mechanic

as Elevator Passenger

as Silk Patterson

as Harry Vay

as Buck Hogan

as Sailor (uncredited)

as Salesman (uncredited)

as Pilot

as Captain Reid

as Minor Role

as Midshipman Jepson