Jeffrey Hunter

as Captain Christopher Pike (archive footage)

as Martin Pawley

as Capt. Christopher Pike (archive footage)

as Sgt. (later Lt.) John H. Fuller

as Jesus

as Lt. Tom Cantrell

as Sgt. Dane

as Emmet Crown

as Harold

as Gordon Grant

as Adam Caulfield

as Frank James

as Danny Klempner

as Technical Adviser

as (archive footage)

as Thad Anderson

as William A. Fuller

as Self

as Captain Benteen

as Roark Logan

as Jim Grayam

as Pappy Creighton

as Francis Jerome

as Guy Gabaldon

as David Martin

as Bill Ainslee

as Bob Grayson

as Matt Jameson

as Joe Collins

as Bless Keough

as Justin Power

as Little Dog

as Chad Carnes

as Ben Tyler

as Wesley Jerome Penn

as Christopher Pike

as Count Enrico

as Prince Haidi

as (voice) (uncredited)

as George R. Tweed

as Dick Cannock

as Captain Bill Ranson

as Matuwir

as Signalman Andrew 'Canada' Brown

as Himself (uncredited)

as Edward "Jocko" Townsend

as Third Plebian(uncredited)

as Joaquín Murrieta

as Edward J. (Ed) Miller

as Owen Brown

as Billy Hayes

as Fred Morrow

as Lt. (J.G.) Lyman P. Jones

as Timothy Higgins

as Johnny Colt

as Captain Christopher Pike (archive footage)

as Jeremy Thrallkill

as Lacer

as The Kid

as Temple Lea Houston

as Fred Girard

as Joe Novak

as Garver Logan

as Frank Mannata

as Sgt. Nico Kantaylis

as Self

as Joe Mundy

as Self (archive footage)