Harvey Guillén as Guillermo | What We Do in the Shadows | FX

Harvey Guillén

Guillermo de la Cruz

"Guillermo," portrayed by Harvey Guillén, is Nandor’s human familiar and has wanted to be a vampire since he was a kid. He does chores around the house and keeps the vampires in human blood but this part of the job has started to wear on him since finding out that he is a distant relative of Van Helsing, the famous vampire hunter. He loves his master, but his impatience with waiting to be turned into a vampire has led him to take drastic steps, with unforeseen consequences. 

Career Highlights

GLAAD award-winning actor and producer Harvey Guillén’s inventive and creative approach to acting has won the hearts of fans across the globe in the Emmy®-nominated FX comedy series What We Do in the Shadows. Guillén’s role as “Guillermo de la Cruz” earned him a Critics Choice Award nomination for Best Supporting Actor. Guillén made LGBTQ+ Latinx History by becoming the first queer Latinx actor to be nominated in this category.  

Guillén plays “Jasper,” a local medical examiner, in Amazon Prime’s Reacher. The series is based on the character “Jack Reacher” from Lee Child’s international bestselling books. Most recently, Guillén voiced “Perrito” in Dreamworks’ Academy Award®-nominated Puss in Boots: The Last Wish. He also voices “José the Spider” in the Netflix series Human Resources, “Gabe” in the Bone, Marry, Burry podcast and a key role in DC’s upcoming Blue Beetle. Guillén joined the third season of the GLAAD-nominated series Harley Quinn, voicing the role of “Nightwing.” Additionally, he lends his voice to “Funny,” an enchanted talking playhouse, on Disney Junior’s Mickey Mouse Funhouse.

In 2021, Guillén starred opposite Michael Chernus, Michaela Watkins, Sam Richardson and Cheyenne Jackson in Werewolves Within, the horror comedy film directed by Josh Ruben based on the Ubisoft game of the same name.

Showcasing his musical side in a multi-episode arc, Guillén joined the cast of NBC’s Zoey’s Extraordinary Playlist as programmer “George” for season two.

Guillén got his start in acting after watching Annie on TV as a child. Since then, he has been seen in Syfy’s The Magicians, Nickelodeon’s The Thundermans, Apple TV+’s Little America and MTV’s Eye Candy starring Victoria Justice. For his role as “Elijah” in the “Don't Ask, Don't Tell Me What to Do” episode of Raising Hope, he earned a GLAAD Media Award. In film, Guillén acted opposite Owen Wilson and Vince Vaughn in The Internship, Netflix’s mystery thriller Truth or Dare, Comedy Central’s Cursed Friends and I’m Totally Fine.

Guillén resides in Los Angeles.

Mark Proksch headshot opening his mouth wide, wearing glasses and a plaid collar suit jacket.

Mark Proksch

as Colin Robinson

Colin Robinson is a day-walking vampire who thrives in an office environment where small talk is plentiful and reply-all email chains abound.