Kevin Conway

as Daniel Webster (voice)

as Self - Narrator (voice)

as William Worrall Mayo (voice)

as Henry David Thoreau

as Cyrus

as Narration

as Reader (voice)

as George Massey

as Jonas Stern

as Donovan Stamp

as Gabe Paul

as Bert

as Jenny's Pop

as Frank Papale

as Neal Caffee

as Other Voices (voice)

as Theo (uncredited)

as Sgt. Buster Kilrain

as Mark Twain (voice)

as Mark Twain (voice)

as King Leo

as Frank McNare

as Jackie Dooley

as Gen. Curtis LeMay

as Operative at Warehouse

as Thomas Paine

as Thomas Paine

as Jim O'Neary

as Mel Duden

as Lomax

as Patrick Gass

as Seamus O'Reilly

as Kelley Dobbs

as Hastings

as Jonathan Walker

as Mox Mox

as Jim Kowalski

as Willie Meizer / Roscoe Martin

as The Control Voice (voice) (uncredited)

as Eugene Dred

as Hold-Your-Nose-Billy

as Sergeant Buster Kilrain

as Chief Citrine

as DA Jack Hastings

as Dr. Martinson

as Lt. Danny Quinn

as Jerry Howard

as Detective John Flynn

as Arlen Briscoe

as Ken Brand

as Grazziano

as Crum Petree (uncredited)

as Kahless

as John Allenwaite

as Commander Fox

as Brook

as Dr. Kevin Farley

as Ken Bailey

as Frederick Treves

as The Barker

as Dr. William Haber

as Roger Chillingworth

as Stitch

as Vince Doyle

as George Graff

as David F. Powers

as James Gregg

as Dr. Packer

as Fence #1

as The Kid

as Smolka

as Weary

as Clancy

as Peter Boyle

as Peter Boyle

as Judge

as Kelly Dobbs