Tom Poston

as Merle

as Clown

as Father Zabriskie

as Lord Palimore

as John Giles / Selig

as Lenny

as Jake

as Harry

as Norman

as Burt Sigurdson

as Gordon Hargrove

as Dr. Gillespie

as Herb

as Mr. Popper (voice)

as Mortgage Banker

as Mr. Vance

as Roscoe Harvey

as Ed Yablonsky

as Earl

as Tom Porter

as Floyd Norton

as Mysterious "Dead Man"

as Jerry Fleisher

as Clerk

as Ned

as Ted

as Homeless Man

as Sidney 'Uncle Bouncy' Barish

as Capital City Goofball (voice)

as Mr. Looney

as Dr. Art Hibke

as Old Man Swenson

as Phineas T. Swenson

as Doc Parseghian

as Fiedler

as Self

as Jim Morrison

as George Utley

as Tommy Rooney

as Reverend Hayworth

as Omar Krepps

as Sgt. Skip Sisson

as Frank Beane

as Car Salesman

as Marty Gibson

as Franklin Delano Bickley

as Mr. Bickley

as Minister

as Damon Jerome

as Mickey O'Day

as Tom Poston

as Daniel Baker

as Bill Conner

as J. Arthur Conrad

as Cliff Murdock

as Mr. Stopworth

as Dr. Zharko

as Lieutenant Magee

as Tom Penderel

as Prof. Jonathan Jones

as Self

as Self

as Self

as Charlie Denham

as Trinculo

as Self

as Self - Laurel & Hardy

as Self - Master of Ceremony

as Self - Comedian

as Self - Guest

as Lt. Franklin

as Detective (as Thomas Poston)

as Tom

as Car Salesman

as Trinculo

as Self - Mystery Guest

as Self

as Standard Who

as Alec Gordon

as Sentry

as Self