Leeper also puppeteered on the non-Henson series Groundling Marsh as Maggie and Jojo during the fourth season, and Mustard Pancakes (for which she also built characters) and in the films Short Circuit 2 (as part of the team operating Johnny 5), Mr. Magorium's Wonder Emporium, and the 2011 version of The Thing.
- Fraggle Rock: Ma Gorg (body), Aunt Granny Fraggle, Mokey Fraggle (assistant), Marjory the Trash Heap (assistant), Tosh Fraggle, Stewardess
- Follow That Bird: Mommy Dodo (body)
- Sesame Street Canada: Katie, Barbara Plum
- The Jim Henson Hour
- Basil Hears a Noise
- Brats of the Lost Nebula