- Kenworthy gets a name-check in Fraggle Rock episode "All Work and All Play"; Doc receives a letter from "Duncan".
- Another reference to Kenworthy appears in The Muppet Christmas Carol -- one of the London shops is named "Duncan & Kenworthy, Booksellers."
- Kenworthy performed Statler in the finale of The Muppets Celebrate Jim Henson.
- Attached as producer of the unproduced The Italian Film and The Seven Deadly Sins.
- Iftah Ya Simsim - producer
- Fraggle Rock - producer and creative consultant
- The Dark Crystal - associate producer
- The Tale of the Bunny Picnic
- Jim Henson's The StoryTeller
- Jim Henson's The StoryTeller: Greek Myths
- Living With Dinosaurs
- Monster Maker
- Gulliver's Travels
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