Mark St. Cyr was born in the USA. He is an actor and writer, known for The Menu (2022), High School Musical: The Musical: The Series (2019) and Doomsday (2016).

High School Musical: The Musical: The Series

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Donald Paul, David Nash, and Mark St. Cyr in Doomsday (2016)

Jussie Smollett and Mark St. Cyr in Marshall (2017)

John Leguizamo, Janet McTeer, Nicholas Hoult, Judith Light, Hong Chau, Rob Yang, Aimee Carrero, Arturo Castro, Mark St. Cyr, and Anya Taylor-Joy in The Menu (2022)

Ralph Fiennes, John Leguizamo, Janet McTeer, Paul Adelstein, Reed Birney, Nicholas Hoult, Judith Light, Rob Yang, Aimee Carrero, Arturo Castro, Mark St. Cyr, and Anya Taylor-Joy in The Menu (2022)

Ralph Fiennes, Janet McTeer, Reed Birney, Christina Brucato, Nicholas Hoult, Rebecca Koon, Hong Chau, Rob Yang, Arturo Castro, Mark St. Cyr, and Anya Taylor-Joy in The Menu (2022)

Ralph Fiennes, John Leguizamo, Janet McTeer, Paul Adelstein, Reed Birney, Nicholas Hoult, Judith Light, Jay Shadix, Peter Grosz, Hong Chau, Rob Yang, Aimee Carrero, Arturo Castro, Mark St. Cyr, and Anya Taylor-Joy in The Menu (2022)

High School Musical: The Musical - The Series

Kate Reinders, Adrian Lyles, Liamani Segura, Julia Lester, Larry Saperstein, Saylor Bell Curda, Matt Cornett, Mark St. Cyr, Frankie A. Rodriguez, Joshua Bassett, Sofia Wylie, Joe Serafini, and Dara Reneé in High School Musical: The Musical: The Series (2019)

Lori Cardille, Vincent Veloso, Sonja O'Hara, Alice Kremelberg, Donald Paul, Barron A. Myers, David Nash, Karin Agstam, Kelsey Lynn Stokes, Sara Cicilian, Jaspal Binning, Melody Cheng, Justin Garascia, Mark St. Cyr, Sebastian Quinn, Ellen Toland, and Michael-Scott Druckenmiller in Doomsday (2016)

Mark St. Cyr

Mark St. Cyr

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