Fan Casting Richard Steven Horvitz as Grey Matter in Ben 10/Justice League: The Series

swagtoonsproductions made this fan casting suggestion on October 29, 2023. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Richard Steven Horvitz

57 years old

Richard Steven Horvitz (born July 29, 1966) is an American actor and comedian, best known for his voice work in animation and video games. His voice credits include the original Alpha 5 on Mighty M...

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Grey Matter in Ben 10/Justice League: The Series

Fan Casting

Richard Steven Horvitz

Grey Matter

Ben 10/Justice League: The Series

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Ben 10/Justice League: The Series

English

by Man of Action, DC Entertainment, Warner Bros. Animation, IDW, and Nickelodeon

Ben Tennyson was abducted by aliens when he was ten years old after accidentally receiving the Omnitrix but then got rescued by Tetrax. He also brought Rook Blonko with his side. Ben and Rook are o...

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swagtoonsproductions

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Richard Steven Horvitz is known for his roles in Cats & Dogs, Shrek, and Mulan. He has been suggested by fans for 1,105 roles on myCast, including Invader Zim in Invader Zim. Similar actors include Tom Kenny, Mark Hamill, and Rob Paulsen. Richard Steven Horvitz was suggested to play Grey Matter in Ben 10/Justice League: The Series by swagtoonsproductions. Other actors sugggested to play this role include Eric Bauza, Todd Haberkorn, and Richard Horvitz. Ben 10/Justice League: The Series has 612 roles, including Writer, Composer, and Producer.