Richard Steven Horvitz
Mighty Morphin Power Rangers: Once & Always(2023)
Alpha (voice)
Seal Team(2021)
Snap (voice)
Captain Daddy(2021)
Billy (voice)
Green Seas(2020)
Writer
Invader Zim: Enter the Florpus(2019)
Zim (voice)
The Angry Birds Movie 2(2019)
Additional Voices (voice)
Meeting MacGuffin(2017)
Gormal MacGuffin (voice)
Legends of Oz: Dorothy's Return(2014)
Munchkin Suitor (voice)
Mighty Morphin Power Rangers: Green With Evil(2014)
Alpha 5 (voice)
Saving Santa(2013)
Orange Haired Elf (voice)
Ben 10: Destroy All Aliens(2012)
Grey Matter / Dispatcher (voice)
Fred & Vinnie(2011)
Book Store Autoraph Hound
Crazy, Stupid, Love.(2011)
Lowe's Salesman #3
The Informant!(2009)
Bob Zaiderman
Snack Break(2008)
Grey Matter
Underfist: Halloween Bash(2008)
Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
Hard Four(2007)
Sheldon Goldstein
Billy & Mandy's Big Boogey Adventure(2007)
Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
CN Invaded Part 5: Billy & Mandy Moon the Moon(2007)
Billy / Billy's Dad (voice)
Billy & Mandy: Wrath of the Spider Queen(2007)
Billy / Billy's Dad (voice)
The Grim Adventures of the Kids Next Door(2007)
Billy / Harold (voice)
Ben 10: Secret of the Omnitrix(2007)
Grey Matter / Stinkfly Prisoner (voice)
Big Babies(2006)
Waaa Baby
Ben 10 Merry Christmas(2006)
Grey Matter
Billy and Mandy Save Christmas(2005)
Billy (voice) (as Richard Horvitz)
Son of the Mask(2005)
Otis (voice)
Cartoon Network Christmas: Yuletide Follies(2004)
Billy (Voice)
Power Rangers Dino Thunder: Legacy of Power(2004)
Alpha 5 (voice) (uncredited)
EuroTrip(2004)
Billy & Mandy's Jacked-Up Halloween(2003)
Billy/Guy (voice)
Snow Dogs(2002)
Scooper (voice) (uncredited)
Osmosis Jones(2001)
Additional Character Voices (voice)
Cats & Dogs(2001)
Puppy in Barn (voice)
Shrek(2001)
The Grim Adventures of Billy & Mandy: Meet the Reaper(2000)
Billy (voice)
Jingle Bells(1999)
Cheddar (voice)
Storm(1999)
Danny
Sabrina Goes to Rome(1998)
Stonehenge (voice)
Mulan(1998)
Additional Voices (voice)
Turbo: A Power Rangers Movie(1997)
Alpha 5 (voice)
Mighty Morphin Power Rangers Live: The World Tour Live-on-Stage(1996)
Alpha 5 (voice)
Power Rangers Zeo: Zeo Quest(1996)
Alpha 5 (voice)
Sherman's Way: A Kid's Guide to Coping with Change(1996)
Corny
Mighty Morphin Power Rangers: Ninja Quest(1996)
Alpha 5 (voice)
Get Street Smart: A Kid's Guide to Stranger Dangers(1995)
Capricorn (as Richard Stults)
Mighty Morphin Power Rangers: The Movie(1995)
Alpha 5 (voice)
Mighty Morphin Power Rangers: Alpha's Magical Christmas(1994)
Alpha 5 (voice)
Angry Beavers in: "Snowbound"(1994)
Daggett Beaver
How I Got Into College(1989)
Young Energizer
Summer School(1987)
Alan Eakian