Michael Caine

Scrooge

Dave Goelz

The Great Gonzo as Charles Dickens / Robert Marley / Dr. Bunsen Honeydew / Betina Cratchit / Rat / Zoot (voice)

Steve Whitmire

Kermit the Frog as Bob Cratchit / Rizzo the Rat / Beaker / Bean Bunny / Belinda Cratchit / Beetle / Lips / Pig Gentleman (voice)

Jerry Nelson

Tiny Tim Cratchit / Jacob Marley / Ghost of Christmas Present / Lew Zealand / Ma Bear / Mouse / Mr. Applegate / Penguin / Pig Gentleman / Pops / Rat (voice)

Frank Oz

Miss Piggy as Emily Cratchit / Fozzie Bear as Fozziewig / Sam the Eagle as Headmaster of Junior High Graduates / Animal / George the Janitor / Horse and Carriage Driver / Vegetable Salesman (voice)

David Rudman

Rat / Peter Cratchit / Old Joe / Swedish Chef (voice)

Jessica Fox

Ghost of Christmas Past (voice)

Steven Mackintosh

Fred, Scrooge's Nephew

Robin Weaver

Clara

Raymond Coulthard

Young Scrooge

David Alan Barclay

Additional Muppet Performer (voice)

David Shaw-Parker

Old Joe

Ronnie Le Drew

Additional Muppet Performer (voice)

Tim Rose

Additional Muppet Performer (voice)

Victoria Willing

Additional Muppet Performer (voice)

Mike Quinn

Pig Gentleman / Undertaker (voice)

Karen Prell

Daughter Mouse / Ghost of Christmas Past (performer) / Additional Muppet Performer (voice)

Jack Angel

Muppet Performer (uncredited)

Bill Farmer

Muppet Performer (uncredited)

Louise Gold

Mrs. Dilber / Spider / Additional Muppets (voice) (uncredited)