Fan Casting Greg Sestero as Mark in Scooby Doo and Guess Who? (Potential New Episodes)

tomzillawash3r3 made this fan casting suggestion on October 27, 2019. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Greg Sestero

45 years old

Greg Sestero was born and raised in the San Francisco Bay Area. With European parental influence, Greg speaks both French and English. He traveled extensively early on, and holds dual citizenship b...

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Mark in Scooby Doo and Guess Who? (Potential New Episodes)

Fan Casting

Greg Sestero

Mark

Scooby Doo and Guess Who? (Potential New Episodes)

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Scooby Doo and Guess Who? (Potential New Episodes)

by Hanna-Barbera

Who else will be the next guest star in Scooby Doo and Guess Who?

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Fan casting suggestion made by:

tomzillawash3r3

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0 comments on Greg Sestero as Mark in Scooby Doo and Guess Who? (Potential New Episodes)

Greg Sestero is known for his roles in Gattaca, The Disaster Artist, and Patch Adams. He has been suggested by fans for 74 roles on myCast, including Batman in The WORST Batman Movie. Similar actors include Tommy Wiseau, Justin Bieber, and Nicolas Cage. Greg Sestero was suggested to play Mark in Scooby Doo and Guess Who? (Potential New Episodes) by tomzillawash3r3. Scooby Doo and Guess Who? (Potential New Episodes) has 896 roles, including Additional Voices, Curly, and Sonic the Hedgehog.