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

Greg SesteroUnited States

46 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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Scooby Doo and Guess Who? (Potential New Episodes)

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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Greg Sestero is known for his roles in Gattaca, The Disaster Artist, and Patch Adams. He has been suggested by fans for 84 roles on myCast, including Batman in The WORST Batman Movie. Similar actors include Tommy Wiseau, Jensen Ackles, and Justin Bieber. 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 940 roles, including Additional Voices, Sonic the Hedgehog, and Curly.

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