The last Muppet film where Frank Oz performed his characters as a puppeteer. He would go on to do the odd television appearance as his characters, but every other Muppet film afterwards were performed by substitutes.
Dave Goelz performed Rizzo for 'The Elves and the Shoemaker' as Steve Whitmire was already performing Kermit for the segment.
Released 3 days after what would have been Jim Henson's 58th birthday.