The D-Con Chamber
2024 · Self
Space Command Redemption
2024 · Greg Mazzey
Babylon 5: The Road Home
2023 · Lennier (voice)
Toon In with Me
2021 · Self
What We Left Behind: Looking Back at Star Trek: Deep Space Nine
2018 · Self
Lost in Space
2018 · Real Dr. Smith
Lost in Space
2018 · Dr. Zachary Smith
The Loud House
2016 · Timothy Mccole
Bravest Warriors
2012 · Ralph Waldo Pickle Chips
Ben 10: Ultimate Alien
2010 · Agent Bryson (voice)
The Face is Familiar
2009 · Narrator
Holly Hobbie and Friends: Surprise Party
2007 · Bud Morris (voice)
Holly Hobbie and Friends: Christmas Wishes
2006 · Bud Morris / Judge #1 (voice)
A.I. Assault
2006 · Major Keith
Look, Up in the Sky! The Amazing Story of Superman
2006 · Self
Holly Hobbie & Friends
2006 · Bud Morris (voice)
Derailroaded
2005 · Self
Ringers: Lord of the Fans
2005 · Self
Comic Book: The Movie
2004 · Bill Mumy
The Twilight Zone
2002 · Anthony Fremont
What's New, Scooby-Doo?
2002 · Harry Noze (voice)
Larry 'Wild Man' Fischer
2002 · Self
Crossing Jordan
2001 · Paper Shredder Operator
TVography
2001
Buzz Lightyear of Star Command
2000 · Eon (voice)
Behind the Dementia
2000 · himself
Boom! Hollywood's Greatest Disaster Movies
2000 · Self - Host
Roswell Conspiracies: Aliens, Myths & Legends
1999 · Writer
Attack of the 50 Foot Monster Mania
1999 · Narrator
Lost In Space Forever
1998 · Self (also archive footage)
Lost In Space Forever
1998 · Writer
The Weird Al Show
1997
The Monkey Prince
1996 · Sam (voice)
Underground Adventure
1996 · Sam (voice)
Space Cases
1996
Space Cases
1996 · Creator
Three Wishes
1995 · Neighbor
The Fantasy Worlds of Irwin Allen
1995 · Self - Host
The Steven Banks Show
1994 · Billy Mumy
A Bewitched Christmas
1994 · Michael (as Billy Mumy)
Space Ghost Coast to Coast
1994
Babylon 5
1994 · Lennier
Diagnosis: Murder
1993 · Parker Craddick
Animaniacs
1993 · The Farmer (voice)
Star Trek: Deep Space Nine
1993 · Kellin
Batman: The Animated Series
1992 · The Fox (voice)
Double Trouble
1992 · Bob
The Ren & Stimpy Show
1991
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