Orson Welles
Professor Richard Pierson / Self (voice) (archive sound)
Joel Nagle
Dale
Virginia Logan
Margaret
Henry Gagliardi
Gene
Frank Readick
Reporter Carl Phillips (voice) (archive sound)
Kenny Delmar
Secretary of the Interior (voice) (archive sound)
Edwina Maye Phillips
Timeless waitress
Indigo John Phillips
Kid with milkshake