Kevin Conway

as Theo (uncredited)

as George Massey

as Eugene Dred

as Kahless

as Lomax

as King Leo

as Frank Papale

as Seamus O'Reilly

as Gen. Curtis LeMay

as Detective John Flynn

as Jonas Stern

as Commander Fox

as Operative at Warehouse

as The Barker

as Chief Citrine

as Willie Meizer / Roscoe Martin

as Frank McNare

as Sergeant Buster Kilrain

as Crum Petree (uncredited)

as Weary

as Vince Doyle

as Sgt. Buster Kilrain

as Arlen Briscoe

as Jonathan Walker

as Stitch

as Hastings

as Joseph Cardero

as Donovan Stamp

as Lt. Danny Quinn

as Dr. Martinson

as Jenny's Pop

as John Allenwaite

as Neal Caffee

as Brook

as Mel Duden

as Bert

as Reader (voice)

as Grazziano

as Dr. William Haber

as The Kid

as Other Voices (voice)

as Mox Mox

as Peter Boyle

as Jim O'Neary

as Mark Twain (voice)

as Dr. Kevin Farley

as Cyrus

as Hold-Your-Nose-Billy

as Patrick Gass

as Smolka

as Gabe Paul

as Frederick Treves

as Clancy

as Kelley Dobbs

as Kelly Dobbs

as Roger Chillingworth

as William Worrall Mayo (voice)

as Thomas Paine

as Ken Bailey

as George Graff

as James Gregg

as Self - Narrator (voice)

as Self - Judge

as Peter Boyle

as Ken Brand

as David F. Powers

as Henry David Thoreau

as DA Jack Hastings

as Jerry Howard

as Fence #1

as Dr. Packer

as Jim Kowalski

as Mark Twain (voice)

as Thomas Paine

as Narration

as Daniel Webster (voice)

as Theodore Roosevelt (Voice)