Richard Steven Horvitz

Richard Steven Horvitz

Acting

TV shows starring Richard Steven Horvitz

Invader ZIM

Invader ZIM

Zim (voice)

8.4
2001 11 min Canceled
Animation Sci-Fi & Fantasy Comedy Kids
The Angry Beavers

The Angry Beavers

Daggett (voice)

6.9
1997 10 min Ended
Animation Comedy Kids Family
The Grim Adventures of Billy and Mandy
8.1
2001 11 min Ended
Animation Comedy Kids
Ben 10

Ben 10

Grey Matter (voice)

8.2
2005 22 min Ended
Animation Sci-Fi & Fantasy Action & Adventure Comedy Kids