Ellen's Energy Adventure

Ellen DeGeneres

Herself

Ellen DeGeneres

Herself

Jamie Lee Curtis

Dr. Judy Peterson (uncredited)

Jamie Lee Curtis

Dr. Judy Peterson (uncredited)

Alex Trebek

Himself

Alex Trebek

Himself

Bill Nye

Himself

Bill Nye

Himself

Johnny Gilbert

Jeopardy announcer (voice)

Johnny Gilbert

Jeopardy announcer (voice)

Mary Kay Bergman

Female WNRG Newscaster (voice)

Mary Kay Bergman

Female WNRG Newscaster (voice)

Corey Burton

Radio Newscaster(voice)

Corey Burton

Radio Newscaster(voice)

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Olgia Campbell

Jeopardy Assistant

Olgia Campbell

Jeopardy Assistant

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Steven Dean Davis

Multiple Characters (uncredited)

Steven Dean Davis

Multiple Characters (uncredited)

Michael Richards

Caveman discovering fire (uncredited)

Michael Richards

Caveman discovering fire (uncredited)

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Benny Wasserman

Albert Einstein (uncredited)

Benny Wasserman

Albert Einstein (uncredited)