Robert Woolsey

as Self (archive footage)

as Self - Tribute Montage (archive footage)

as Pierre Potkin

as Claude Horton

as Dr. Philip 'Painless' Pennington

as Aloysius C. Whittaker

as Newton

as Roscoe Horne

as Bob

as Dr. Dudley

as Elmer Dugan

as Hercules Grub

as Alexander

as Self

as Self

as Himself

as Slick Foster

as Spider Robbins

as Self

as Self

as Zander Ulysses Parkhurst

as Eggbert G. Higginbothom

as Robert Woolsey

as Julius Swift

as Dr. J. Dockweiler Droop

as Julius Caesar

as Himself / host

as Prof. Cunningham

as Gilbert Simpson

as Addington Ganzy

as Ginger Dandy

as Ned Lovett