Steve Whitmire

Kermit the Frog / Rizzo the Rat / Beaker / Elvises (voice)

Dave Goelz

The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice)

Bill Barretta

Pepe the King Prawn / Bobo the Bear / Johnny Fiama / Swedish Chef / Lew Zealand / Howard Tubman / Rowlf the Dog / Elvises (voice)

Eric Jacobson

Miss Piggy / Fozzie Bear / Animal / Yoda / Elvises (voice)

David Arquette

Daniel

Joan Cusack

Rachel Bitterman

Matthew Lillard

Luc Fromage

William H. Macy

Glenn

Whoopi Goldberg

Daniel's 'Boss'