Resident Alien cast guide: Meet the excellent ensemble of the Syfy series

Meet the out-of-this-world talented cast of Resident Alien!

RESIDENT ALIEN -- "Welcome Aliens" Episode 109 -- Pictured: (l-r) Alan Tudyk as Harry Vanderspeigle, Sara Tomko as Asta Twelvetrees -- (Photo by: James Dittiger/SYFY)
RESIDENT ALIEN -- "Welcome Aliens" Episode 109 -- Pictured: (l-r) Alan Tudyk as Harry Vanderspeigle, Sara Tomko as Asta Twelvetrees -- (Photo by: James Dittiger/SYFY) /

The out-of-this-world hilarious sci-fi comedy series, Resident Alien, created by Chris Sheridan, crash-landed back into our lives with its third season premiere on Syfy this Valentine's Day 2024! For those who haven't yet succumbed to the charm of this sci-fi comedy, Resident Alien, is based on the comic book by Peter Hogan and Steve Parkhouse, following the story of a crash-landed alien named Harry, who assumes the identity of a small-town doctor with a secret mission to kill all humans.

However, as he spends more time on Earth and develops new friendships, he begins to struggle with his newfound humanity leading to unexpected alliances and moral dilemmas. The official synopsis, as per IMDb, reads:

"A crash-landed alien takes on the identity of a small-town Colorado doctor and slowly begins to wrestle with the moral dilemma of his secret mission on Earth."


Now, if you're scratching your head wondering who's who, or are simply looking for a character refresher, you're in the right place! Join us as we reveal the full cast list and more below!

Without further ado, let's meet the actors who bring these alien antics to life.

Meet the cast of Resident Alien

Chris Sheridan, Alan Tudyk, Corey Reynolds, Sara Tomko, Alice Wetterlund
2023 Winter TCA Portrait Studio / JSquared Photography/GettyImages

When it comes to the ensemble cast of Resident Alien, there's only one way to describe their talent: it's out of this world! After portraying these characters for two seasons already, their chemistry in season 3 is simply undeniable. Without further ado, let's meet the stellar cast of this popular Syfy show below:

Alan Tudyk as Harry Vanderspeigle

Alan Tudyk portrays Harry Vanderspeigle, an alien who crash-lands on Earth and assumes the identity of a small-town doctor but struggles to blend in with humans while trying to complete his deadly mission.

Alan Tudyk, born on March 16, 1971, is an American actor known for his work in various films and TV shows. You'll likely recognize him from his roles in Tucker & Dale vs. Evil, Moana, Wish, Firefly, A Knight's Tale, and I, Robot.

Sara Tomko as Asta Twelvetrees

Sara Took steps into the shoes of Asta Twelvetrees, a strong-willed bartender in the small town where Harry resides. She becomes one of Harry's closest allies and friends throughout the series.

Born on October 19, 1983, Sara Took is an actress, producer, singer and poet. You'll likely recognize her from Once Upon a Time, Girls! Girls! Girls!, Sneaky Pete, or Suicide for Beginners.

Corey Reynolds as Sheriff Mike Thompson

12th Annual NAMIC Vision Awards - Arrivals
12th Annual NAMIC Vision Awards - Arrivals / Jesse Grant/GettyImages

Sheriff Mike Thompson, portrayed by Corey Reynolds, is the local law enforcement officer who becomes suspicious of Harry's behavior. He is determined to uncover the truth behind the strange occurrences in town.

Born on July 3, 1974, Corey Reynolds is an accomplished actor known for his roles in both TV series and Broadway productions. You would have likely seen him in The Closer, Hairspray, The Terminal, All American, and The Red Line.

Alice Wetterlund as D'Arcy Bloom

Alice Wetterlund is D'Arcy Bloom, a quirky and eccentric resident of the town who befriends Harry. She adds humor and levity to the series with her offbeat personality.

Alice Wetterlund, born on May 16, 1981, is a stand-up comedian and actress known for her sharp wit and comedic timing. She has appeared in various TV shows and films, and you'll likely recognize her from Mike and Dave Need Wedding Dates, People of Earth, Space Force, and The Interview.

Levi Fiehler as Ben Hawthorne

Levi Fiehler
2020 NBCUniversal Winter Press Tour - Arrivals / Frazer Harrison/GettyImages

Levi Fiehler portrays Ben Hawthorne, a kind-hearted local, and the father of Ben, who forms a bond with Harry. He becomes involved in the unfolding events in town, unaware of Harry's true identity.

Born in Juneau, Alaska, Levi Fiehler is a talented actor who has appeared in several TV series and films, showcasing his range as a performer. He is perhaps best known for The Fosters, Mars, Ray Donovan, and Code Black.

Judah Prehn as Max Hawthorne

Max Hawthorne, portrayed by Judah Prehn, is Ben's son, an adventurous and curious boy who befriends Harry.

Born on July 14, 2010, Judah Prehn is a young actor with a promising career ahead of him. Besides Resident Alien, he is best known for starring as Young Ian in Mythic Quest, Daniel in Launchpad, and Liddo in the animated series Kinderwood.

As for the rest of the awesome ensemble, you'll find them listed below, courtesy of IMDb:

  • Elizabeth Bowen as Deputy Liv Baker
  • Meredith Garretson as Kate Hawthorne
  • Gary Farmer as Dan Twelvetrees
  • Diana Bang as Nurse Ellen Cho
  • Jenna Lamia as Judy Cooper
  • Kaylayla Raine as Jay
  • Gracelyn Awad Rinke as Sahar
  • Alex Barima as David Logan
  • Linda Hamilton as General Eleanor Wright
  • Sarah Podemski as Kayla
  • Mandell Maughan as Lisa Casper
  • Keith Arbuthnot as Alien Harry Double

Watch new episodes of Resident Alien season 3 every Wednesday on Syfy!

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