Jim Henson

Character: Jen / High Priest, Ritual Master

Kathryn Mullen

Character: Kira, a Gelfling

Frank Oz

Character: Aughra, a Keeper of Secrets / Chamberlain

Dave Goelz

Character: Fizzgig, a Friendly Monster / General, Garthim Master

Steve Whitmire

Character: Scientist (voice)

Louise Gold

Character: Gourmand

Brian Meehl

Character: Ornamentalist / Urzah / Dying Master

Stephen Garlick

Character: Jen (voice)

Lisa Maxwell

Character: Kira (voice)

Billie Whitelaw

Character: Aughra (voice)

Percy Edwards

Character: Fizzgig (voice)

Barry Dennen

Character: Chamberlain / Podling (voice)

Deep Roy

Character: Additional Performer

Kiran Shah

Character: Additional Performer

Jack Purvis

Character: Additional Performer

Bob Payne

Character: Historian, Scroll Keeper

Michael Kilgarriff

Character: General (voice)

John Baddeley

Character: Historian (voice)

David Buck

Character: Slave Master (voice)

Charles Collingwood

Character: Treasurer (voice)

Sean Barrett

Character: Urzah (voice)

Miki Iveria

Character: Podling (voice)

Patrick Monckton

Character: Podling (voice)

Susan Westerby

Character: Podling (voice)

Joseph O'Conor

Character: Narrator / Urskeks (voice)

Thick Wilson

Character: Gourmand (voice)

Jerry Nelson

Character: High Priestess / Dying Emperor (voice)