Episódio 6

Michael McKean Evelyn Spyro Throckmorton (voice)

Gary Cole Judge Hiram Mightor (voice)

Steve Landesberg Bailiff (voice)

Maurice LaMarche Fred Flintstone / Bird / Can Opener (voice)

Adam Lawson Avenger / Gleep (voice)

Tress MacNeille Wilma Flintstone / Pebbles Flintstone (voice)

Doug Preis Thundarr (voice)

Kevin Michael Richardson Barney Rubble (voice)

Frank Welker Jabberjaw (voice)

Stephen Colbert FBI (voice; uncredited)