Crispin Glover

as Grendel

as Tommy Taffy

as Brutus Muldoon (1888) / Chronos Muldoon (1918) / Damocles Muldoon (1948)

as Dr. Gruber

as Mr. K

as Richard Upton Pickman(1 ep)

as Hooded Figure

as Jonah

as Luc

as Uncle Julian Blackwood

as James Logan Davis

as William

as Gabriel Anderson

as George McFly(11 eps)

as Mr. World(9 eps)

as Claude Bohringer

as Mosley Baker(5 eps)

as Dr Manfred Abuse

as Self (archive footage)

as Ned

as Woody Ricks

as Fifi (voice)

as Ernie Combs

as Phil

as Ilosovic Stayne / Knave of Hearts

as William Foster

as #6 (voice)

as Fifi (voice)

as Viergacht

as Grendel (Voice)

as Simon / Stanley

as Montag the Magnificent

as Narrator (live recording)

as Willy

as Eddie

as Dueling Demi-God Auteur / The Young Man's Inner Psyche and Id

as Self(1 ep)

as Self - Party Guest

as Thin Man

as Willard Stiles

as Self(1 ep)

as Self - George McFly

as Stan Bittleman

as Rodion Raskolnikov

as Jules Langdon

as Bartleby

as Self

as Thin Man

as Roy

as Larry Huff

as Arlo

as Train Fireman

as Howard Barth

as Howard Finster

as Bobby McBurney

as Self - Guest(1 ep)

as Danny(3 eps)

as Rubin Farr

as Joey Kremple

as Miętus

as Andy Warhol

as Dell

as Lionel

as George McFly (archive footage)

as Howdy

as Layne

as Lucas

as Larry

as George McFly

as Danny

as Bo Middleton

as Jimmy

as Gatsby Boy

as Archie Feld

as Jack

as New Student

as Doug(2 eps)

as Self - Guest(2 eps)

as Crispin