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Fan Casting Patrick Seitz as W.D. Gaster in Undertale: Determination (A Undertale Cartoon)

zealachilles456 made this fan casting suggestion on May 2, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Patrick Seitz as W.D. Gaster in Undertale: Determination (A Undertale Cartoon)

Patrick SeitzUnited States

47 years old
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W.D. Gaster in Undertale: Determination (A Undertale Cartoon)
Fan Casting

Patrick Seitz

as

W.D. Gaster (Voice)

in

Undertale: Determination (A Undertale Cartoon)

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Undertale: Determination (A Undertale Cartoon)

Undertale: Determination (A Undertale Cartoon)

An Undertale 2D Animated Series
by Toby Fox
A young human, named Frisk, has fallen into a whole new world underground, one that's full with monsters, ones with hearts of gold, and ones with twisted minds.
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Fan casting suggestion made by:

zealachilles456

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Patrick Seitz is known for his roles in Mortal Kombat Legends: Scorpion's Revenge, The Last: Naruto the Movie, and Inside Out. He has been suggested by fans for 2,964 roles on myCast, including Etrigan in Ben 10/Justice League: The Series. Similar actors include Travis Willingham, Fred Tatasciore, and Steve Blum. Patrick Seitz was suggested to play W.D. Gaster in Undertale: Determination (A Undertale Cartoon) by zealachilles456. Other actors sugggested to play this role include Jim Carrey, Bill Skarsgård, and Benedict Cumberbatch. Undertale: Determination (A Undertale Cartoon) has 20 roles, including Sans, Papyrus, and Frisk.

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