Chief Citrine
Frank Papale
Weary
Eugene Dred
Lomax
Dr. Martinson
Grazziano
Sergeant Buster Kilrain
Bert
Dr. William Haber
The Barker
Sgt. Buster Kilrain
Jim O'Neary
Brook
Clancy
Kelley Dobbs
Mark Twain (voice)
Dr. Kevin Farley
Thomas Paine
Richard Ofshe
Smolka
Frederick Treves
Peter Boyle
Narrator
King Leo
Ken Brand
Jonathan Walker
Lt. Danny Quinn
DA Jack Hastings
Jerry Howard
Crum Petree
Vince Doyle
Hold-Your-Nose-Billy
The Kid
Narration
George Graff
Mel Duden
Fence #1
William Worrall Mayo
Other Voices (voice)
Daniel Webster (voice)
Stitch
James Gregg
Theo (uncredited)
Gen. Curtis LeMay
Ken Bailey
David F. Powers
Henry David Thoreau
Kahless
Commander Fox
Seamus O'Reilly
John Allenwaite
Frank McNare
Willie Meizer / Roscoe Martin
Gabe Paul
Kelly Dobbs
Mox Mox
Jackie Dooley
Operative at Warehouse
George Massey
Jonas Stern
Roger Chillingworth
Patrick Gass
Detective John Flynn
Donovan Stamp
The Control Voice (voice) (uncredited)
Reader (voice)
Jenny's Pop