Sepenuk is married and has had two children with writer/producer Sondi Toll.
- Red Claw (TV series)
- Screech (TV series)
- Kosh (TV series)
- Saro (TV series)
- Sharpteeth (uncredited)
- Belly Dragger
TV Series List of Roles by Episode
- The Cave of Many Voices (Red Claw, Screech and Thud)
- The Star Day Celebration (Red Claw, Screech, Thud, Kosh)
- The Meadow of Jumping Waters (Red Claw, Screech and Thud)
- Escape from the Mysterious Beyond (Red Claw)
- Legend of the Story Speakers (Saro)
- Hidden Canyon (Red Claw and Screech)
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