Malcolm McDowell

Mr. Pendleton

Gerald Kahn

Vader Orlag (voice)

Pop

Hakan

Richard

Self

Harris

Rupert Murdoch

Judge Messner

Mr. Capricorn

Varney

Evan Polus

Gerald Portersen

Mr. Simms

Richard Morton

Minister Hydan (voice)

Thomas Pembridge

Vater Orlagg (voice)

Sinclair

Leonard Wolf

Vlad

Morton Salinger

Stanton Infeld

Self

Professor Noah Melville

Harold Weintraub

Mr. Makuro (voice)

Merlyn the Magnificent (segment "Green Arrow") (voice)

Merlyn the Magnificent (voice)

Principal Gibbons

Professor Moriarity (voice)

himself

Mr. Farley

Lombardi

Professor Cornwallis

Dr. Samuel Loomis

Dr. Calico (voice)

Dr. Calico (voice)

Bret Stiles

Marc Bouchier

Dr. Marcus Kane

Darren Vogel

Barney the Encyclocentipedia (voice)

Dr. Samuel Loomis

Grandpa Reg (voice), Grandpa Reginald Fletcher (voice)

Orientation Instructor (voice)

Desmond Larochette

Daniel Linderman

Ambassador Fanshaw

Ogthar (voice)

Teddy K (uncredited)

Terrance McQuewick

Mad Mod (voice)

Walter Shrenger

Henry

Gundars

Alan Baxter

Mr. Roarke

Professor Stephen Pynchon

Wizard

Dr. Thomas Abernathy

Gangster 55

Ian

Narrator (voice)

Austin Cloquet

A British Person (voice)

Martin Hudson

John Corben (voice)

Dr. Tolian Soran

Waltzer

Whistler (voice)

Arcady Duvall (voice)

Donald Longtooth

Mick Travis

Paul Gallier

H. G. Wells

Caligula

Capt. Von Berkow

Captain Harry Flashman / Prince Karl Magnus

Michael Arnold Travis / Plantation Thief

Bill

Professor Lampwick (voice)

Yottskry

Vater Orlaag (voice), News Anchor (voice), Alfred Belmer (voice), Dr. Mill Miniman Lanilin Swamnalin (voice), TV Host (voice)