Générique complet
Ellen's Energy Adventure
Ellen DeGeneres
Herself
Alex Trebek
Himself
Bill Nye
Himself
Johnny Gilbert
Jeopardy announcer (voice)
Mary Kay Bergman
Female WNRG Newscaster (voice)
Corey Burton
Radio Newscaster(voice)
OC
Olgia Campbell
Jeopardy Assistant
SD
Steven Dean Davis
Multiple Characters (uncredited)
Michael Richards
Caveman discovering fire (uncredited)
BW
Benny Wasserman
Albert Einstein (uncredited)