The Great Santa Claus Switch

Art Carney Santa Claus / Cosmo Scam Ed Sullivan Self / Host / Narrator (uncredited) Jim Henson Fred / Lothar (voice) Frank Oz Thig / Skippity / Hoppity / Boppity / Snerf (voice) Jerry Nelson Thog / Zippity / Snivelly (voice) Danny Seagren Gloat / Snarl / Snerf (voice) John Lovelady Bong / Snake Frackle / Scoff / Snerf / Alarm Frackle (voice) Richard Hunt Bing / Match Frackle (voice) Marilyn Sokol Additional Muppet Performer (voice) Fran Brill Snerf (voice) Byron Whiting Additional Muppet Performer (voice) Greg Antonacci Additional Muppet Performer (voice) Cary Antebi Additional Muppet Performer (voice) John Byrum Additional Muppet Performer (voice)