as Mr. Jefferson (voice)

as Leonard Powers / The Great Brain / Erik / Man Bird (voice)

as Sketch Performer

as O'Dweed's Announcer (voice)

as Jim's Friend

as Ken Tuttle

as Buckley

as Jesse

as Randy (Student)

as Dan Bloom

as Desk Clerk

as Security Guard

as Harlan / Huggy the Bear

as Joe Wave Jr.