Rocky Mountain Holiday with John Denver and the Muppets

John Denver joue Self
Jim Henson joue Kermit the Frog / Rowlf the Dog / Waldorf / Zeke (voice)
Frank Oz joue Miss Piggy / Fozzie Bear / Animal / Gramps (voice)
Jerry Nelson joue Sgt. Floyd Pepper / Robin the Frog / Camilla the Chicken / Slim Wilson (voice)
Richard Hunt joue Scooter / Janice / Statler / Bubba (voice)
Dave Goelz joue Gonzo the Great / Zoot / Lubbock Lou (voice)
Steve Whitmire joue Rizzo the Rat / Giant Man-Eating Chicken (voice)
Kathryn Mullen joue Additional Muppet Performer
Karen Prell joue Additional Muppet Performer