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