Dudley Moore as Himself

Lily Tomlin as Herself

Jim Henson as Kermit / Rowlf / Link Hogthrob / The Swedish Chef / Waldorf

Frank Oz as Miss Piggy / Fozzie Bear / Animal / Sam Eagle

Jerry Nelson as Lew Zealand / Pops / Julius Strangepork /Floyd Pepper (voice)

Richard Hunt as Beaker / Janice / Scooter / Sheriff / Statler (voice)

Dave Goelz as The Great Gonzo / Joe / Beauregard / Fireman (voice)

Steve Whitmire as Rizzo the Rat / The Scarlet Pimpernel / Jed (voice)

Kathryn Mullen as Gaffer / Muppet Performer (voice)

Louise Gold as Popcorn Girl (voice)