Fan Casting John Mulaney as Grey Matter in Ben 10

madhatter made this fan casting suggestion on April 15, 2020. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

John Mulaney

41 years old

John Edmund Mulaney (born 26 August 1982 in Chicago, Illinois) is an American stand-up comedian, actor, writer, producer. He is best known for his work as a writer on Saturday Night Live and his st...

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Fan Casting

John Mulaney

Grey Matter (Voice)

Ben 10

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Ben 10

by Joe Casey, Joe Kelly, Duncan Rouleau

Ben Tennyson, a 10-year-old boy, discovers a magical device that can turn him into 10 different alien heroes, each with its own unique abilities. With this newfound power, Ben, Grandpa Max and cous...

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Fan casting suggestion made by:

madhatter

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John Mulaney is known for his roles in Spider-Man: Into the Spider-Verse, Chip 'n Dale: Rescue Rangers, and Puss in Boots: The Last Wish. He has been suggested by fans for 3,795 roles on myCast, including Panic in Hercules. Similar actors include Bill Hader, Ben Schwartz, and Andy Samberg. John Mulaney was suggested to play Grey Matter in Ben 10 by madhatter. Other actors sugggested to play this role include Taika Waititi, Bill Hader, and Corey Feldman. Ben 10 has 128 roles, including Ben Tennyson , Gwen Tennyson , and Kevin Levin.