Jim Henson
Kathryn Mullen
Frank Oz
Dave Goelz
Steve Whitmire
Louise Gold
Brian Muehl
Bob Payne
Mike Quinn
Timothy M. Rose

Jim Henson as Jen, A Gelfling (performer)/High Priest (Ritual Master) (performer)/Podling (performer)/Additional Characters (uncredited)
Kathryn Mullen as Kira, A Gelfling (performer)/Jen, A Gelfling (assistant)/Additional Characters (uncredited)
Frank Oz as Aughra, A Keeper Of Secrets (performer)/Chamberlain (performer)/Podling (performer)/Additional Characters (uncredited)
Dave Goelz as Fizzgig, A Friendly Monster (performer)/General (Garthin Master) (performer)/Dying Emperor (performer)/Podling (performer)
Steve Whitmire as Scientist (performer and voice)/Kira, A Gelfling (assistant) (voice)
Louise Gold as Gourmand (performer)
Brian Muehl as Ornamentalist (performer and voice)/Urzah (performer)/Dying Master (performer and voice) (voice)
Bob Payne as Historian (Scrollkeeper) (performer)
Mike Quinn as Slave Master (performer)
Timothy M. Rose as Treasurer (performer) (as Tim Rose)
Jean-Pierre Amiel as Weaver (performer)
Hugh Spight as Cook/Landstrider (performer)
Robbie Barnett as Numerologist (performer)/Landstrider (performer)
Swim Lee as Hunter/Landstrider (as Swee Lim)
Simon Williamson as Chanter (performer)