Richard Hunt
as Scooter/Statler/Sweetums/Janice/Beaker/Bubba/Monst
Jerry Nelson
as Floyd Pepper/Pops/Lew Zealand/Crazy Harry/Louis Ka
Diana Rigg
as Lady Holiday
Peter Ustinov
as Truck Driver
Jack Warden
as Mike Tarkanian
Charles Grodin
as Nicky Holiday
Robert Morley
as British Gentleman
Jim Henson
Frank Oz
as Miss Piggy/Fozzie Bear/Animal/Sam the Eagle/Gramps