Michael Moriarty

as Michael Dietrich

as John 'Boone' Hawkins

as Self

as Self

as Mr. Isaac Hendricks

as Hitler

as T.J. Hamilton

as General Dutton

as Donald Saunders

as Jim Wheeler

as Jim Wheeler

as Dick

as Callohan

as Orson Bailey

as Eddy

as Colonel Thomas Campbell

as Adrian, Psychic

as Adrian - Psychic

as Morris Bird II

as Larry Frank

as Winton Dean

as Senator Hank Rose

as Schmidt

as Mr. Kidd

as Sheriff Bast

as Mark Solomon

as Director / Mirkin

as Cole Sheridan

as Richard

as Ray Preston

as Captain Paul Stenning

as Douglas Starr

as Gordon Tallas

as President Dwight D. Eisenhower

as Dwight D. Eisenhower

as Galileo Galilei

as Russell Pfeiffer

as Ray Preston

as Governor Harold Hoffman

as Brigadier General Hershberg

as Matthew Wylie

as Father Mulligan

as Solicitor-General Wallace Gannon

as John Maxwell

as Dr. Chester Crayton

as Various (voice)

as (voice)

as Fox Butterfield

as Ben Stone

as Garvin

as Hank Daniels

as Manny Wise

as Hugh Kelly

as Ellison

as Dennis Randall

as Joe Weber

as Brother T.S. Murphy

as Stephen Jarvis

as Williamson

as Harry Potter Sr.

as Dr. Peter Kapik

as Wayne 'Seti' Virgil

as Hull Barret

as David 'Mo' Rutherford

as Charles Norberry

as Keith Mannings / Craig Mannings

as Jimmy Quinn

as Mark

as Richard Maple

as Wilbur Wright

as John Converse

as Erik Dorf

as Gerry Miller

as Bo Lockley

as Herbert G. Rucker

as Jim O'Connor

as Marine O. D.

as Abe Battle

as Henry Wiggen

as Ballard

as Trubee Pell

as Russell Pfeiffer