Dean Jagger

as Doctor Schaeffer

as Slade

as 6th Supreme Court Justice

as Dr. Land

as Ray Collins

as Koehler

as Josiah Lowe

as Carl Webster

as Frederick Wellman

as Warden Auerbach

as Prospector

as Chad Harmon

as Highwayman

as Judge James C. Brown

as Jimmy Noble

as Whittier

as John Noble

as Admiral Fitch

as Sala Post

as William L. Morgan

as Grant Austen

as Dr. Hubert Van Der Mal

as Mr. Fisher

as Harry Burleigh

as Sheriff Ned Logan

as Dr. Adam Royston

as Jade Murphy

as Tim Horn

as General Waverly

as Police Capt. Michaels

as Jesse Q. Grimm

as Justus

as General William J. Palmer

as Dan Jefferson

as Sam Quade

as Yancy

as Captain Garvey

as Jeff Hassard

as Major / Lieutenant Colonel Harvey Stovall

as Cliff Holden, alias William Harrah

as Dr. Steve Webster

as Grant

as Kevin Connors

as Paul Baxter

as Rodion Pavlov

as Edward Creighton

as Brigham Young

as James 'Capper' Regan

as Armand Louque

as Top Harmon