Grampa (voice)
Analyst
Tony
Dutch
Jail Tattoo Artist (voice)
Agent Flannigan
Father Browning
Chris
Goodman
Mac Bledsoe
Arthur Parsons
Walt Breckman
Neil Mullin
Professor Brown
Teller (segment "Near Algodones")
Mike Cook
Dr. Rogers
Ron Walton
Fenton
Jim Hudson
Dr. Mindala
Uncle Henry (voice)
Bubbles (voice)
J. Edgar Hoover
Hymie King
George
Col. Al Lingo
Himself
Hugh
Roger
Habberman
Zor-El (voice)
Avery Boomer
Billy Cusimano
Governor Haskell
Arthur Koehler
Brendon (voice)
Uncle Henry / Crows (voice)
Sherrif Wynan
Elliot
Doc / Merrimack / Mr. Snuggles (voice)
Bill Krogstad
Senator Lewis
Burt (voice)
John Lloyd
Charles Thompson
Remington
Gus Lacey
Fred Franklin
Curt Reynolds
Turtle (voice)
Steve
Chode (voice)
Suds
Principal Doppler
Sculptor
Glover
Morty Van Rookle
Man who hires Wells
Sheriff Brock
Talent Scout (voice)
Judge Hector "The Hangman" (uncredited)
Herb
Aardvark Dad (voice)
Cowboy Gambler (voice)
Vince Masters
Dr. Freeman
Greenie
Fernand Gudge
Dwight Nestor
Cameron
Bubbles (voice)
Zeb Zoober (voice)
Frank / Start (voice)
Mr. Lund
Dennis Mansky
Big Ducky (voice)
Milton Waddams
Mr. Crenshaw
Gerald Adams
Graham Dunbar
Ed Kirkman
Jaan Laaman
Kevin McDonald
Max Alvarez
Coontz
Don Durenberger
Gary Murray
Kevin McDonald
Randolph
Mickey
Major Moreland
RKO Guard
Police Sgt.
Mr. Hentley
Berg
Dean Burbage
DEA Agent (Toilet)