Javier "Harvey" Guillén (Latin American Spanish:[xaˈβjeɾ ˈxaɾβi ɣiˈʝen]; born May 3, 1990) is an American actor. He is best known for his role as the human familiar Guillermo de la Cruz in the television series What We Do in the Shadows.
Guillén is the son of Mexican immigrants. He adopted the name Harvey when school teachers could not pronounce his first name. Guillén attended Citrus College, completing the three-year Citrus Singers program in 2005. His father, who was the first person who encouraged him to pursue acting, died of lung cancer in 2017.
Guillén speaks Spanish, English, and Japanese—the last acquired during a 13-month visit to Japan. He identifies as queer.
Guillén at the 2022 Phoenix Fan Fusion
Guillén has appeared in recurring roles on television series such as Alistair Delgado on Huge (2010), Cousin Blobbin on The Thundermans (2013–2018), George Reyes in Eye Candy (2015), and Benedict Fenwick on The Magicians(2017–2018). He also appeared in the 2013 film The Internship.
Beginning in 2019, Guillén played the role of Guillermo, the vampires' human familiar, in the FX television series What We Do in the Shadows. He was set to appear in Quibi's science fiction drama series Don't Look Deeper before the platform shut down in December 2020.
Guillén has received considerable acclaim for his role as Guillermo. TheWrap included Guillén in a list of "2019 Emmy Contenders". Hank Steuver, in his review of What We Do in the Shadows in The Chicago Tribune, stated that Guillén "provides at least half the big laughs" in the show.
Guillén provided the voice of Funny the Magic House in Mickey Mouse Funhouse. He played Nightwing in season 3 of Harley Quinn.
In 2022, Guillén provided the voice for the comedic sidekick character Perrito in Puss in Boots: The Last Wish.
In 2023, Guillén appeared on The Late Show with Stephen Colbert in a skit as Representative George Santos.
In 2024, Guillén reprised his role as Cousin Blobbin from The Thundermans in The Thundermans Return. He also provided the voice of Odie in The Garfield Movie and played Vassago in Helluva Boss.
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1.04
Popularity35
Credits6.9
Rating54.3M
Budget124M
RevenueActing
Primarily2025 Street Smart
2025 The Life of Chuck as Hector
2025 The Garfield Movie 2 as Odie (voice)
2025 That Friend as Paul Producer
2025 Pickleheads as Harvey Guillén
2025 (Saint) Peter as Daymon Grundy
2025 Damned If You Do Executive Producer
2025 Spicy Will as Eugenio
2025 Alexander and the Terrible, Horrible, No Good, Very Bad Road Trip as Claudio
2025 Companion as Eli
2024 Crossword as Terry Executive Producer
2024 The Garfield Movie as Odie (voice)
2024 The Thundermans Return as Blobbin
2023 Wish as Gabo (voice)
2023 Don't Look Deeper as Renato
2023 Strays as Shitstain (voice)
2023 Blue Beetle as Dr. Sanchez
2023 The Trident as Perrito (voice)
2022 Puss in Boots: The Last Wish as Perrito (voice)
2022 I'm Totally Fine as DJ Twisted Bristle
2022 Cursed Friends as Andy
2021 Werewolves Within as Joachim Wolfson
2020 Jimmy's Jungle as Marvin
2019 What We Do in the Shadows as Guillermo de la Cruz
2018 The Body as Nick
2018 F.R.E.D.I. as Lopez
2018 Status Update as Lonnie Gregory
2017 Truth or Dare as Holt Thorne
2017 Cock N' Bull 2
2017 8 Bodies as Gary
2013 Big Gay Love
2013 The Internship as Zach
2013 Chocolate Milk as Phillip Hensler Casting Director, Executive Producer
2012 General Education as Andy
2008 El Tux as Bobby Gomez