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William Brent "Billy" Unger (born October 15, 1995) is an American actor, best known for playing Chase Davenport in the Disney XD sitcom, Lab Rats and Lab Rats: Elite Force. William stars as the genius super-human, Chase Davenport, the second youngest of four bionic teen siblings. He is currently twenty years old.

Life and Career

William was born in Palm Beach County, Florida, on October 15, 1995, William and his family moved to Hollywood in 2006 to pursue his dream of becoming a professional actor. Since moving to LA, William has guest starred on Disney XD 's Kickin' It, Disney Channel's Sonny with a ChanceNo Ordinary FamilyGhost WhispererHawthorneTerminator: Sarah Connor ChroniclesMental, MediumDesperate HousewivesCold Case, and Scrubs. He also made an appearance on The Tonight Show with Jay Leno!

In addition to a starring role in National Treasure 2: Book of Secrets, William has appeared in such other feature films as You AgainThe Lost Medallion: The Adventures of Billy StoneMonster MuttOpposite DayRock SlydeJack and the BeanstalkCop Dog and Seven Eleven: Sweet Toys.

In his time away from set, William enjoys extreme martial arts, advanced stunting, motocross, surfing, skateboarding, playing guitar, hip-hop dancing, singing, and songwriting. He currently resides in Los Angeles, California.


Year Title Role Notes
2007 Seven's Eleven: Sweet Toys Frankie Film debut
National Treasure: Book of Secrets Charles Gates
2008 Rock Slyde Young Rock Slyde
Crank: High Voltage Young Chev Chelios
Cop Dog Robby North Lead role
Opposite Day Sammuel " Sammy" Benson Lead role
2010 Jack and the Beanstalk Prince Charming
Monster Mutt Zack Taylor Lead role
Sammy's Adventures: The Secret Passage Hatchling Sammy
You Again Ben Olsen
2012 The Lost Medallion: The Adventures of Billy Stone Billy Stone Lead role
Year Title Role Notes
2007 Scrubs Devin Episode: "My Turf War" (Season 6, Episode 18)
Cold Case Jeff Reed Episode: "Stalker" (Season 4, Episode 24)
Desperate Housewives Chad Episode: "Gossip" (Season 3, Episode 20)
Jeremy McMullin Episode: "Something's Coming" (Season 4, Episode 9)
2008 Medium Young Joey / Teddy Carmichael Episode: "Being Joey Carmichael"
Can You Teach My Alligator Manners? Eric Episodes: "Birthday Manners", "Good Sport Gator"
Terminator: The Sarah Connor Chronicles Martin "Marty" Bedell Episode: "Goodbye to All That"
Special Agent Oso Michael Voice role
2009 Mental Conor Stephens Episode: "Manic at the Disco" (Season 1, Episode 4)

Nominated — Young Artist Award for Best Performance in a TV series – Guest Starring Young Actor (2005)

Hawthorne Sam Episode: "Yielding"
2010 Ghost Whisperer Pete Murphy Episode: "The Children's Parade"
Sonny with a Chance Wesley Episode: "Sonny With a 100% Chance of Meddling"
2011 No Ordinary Family Troy Cotten Episode: "No Ordinary Friends"
Fish Hooks Bradley "Brad" Kingstone Voice role; 2 episodes
2012–16 Lab Rats Chase Davenport Main role; 90 episodes
2012 Kickin' It Brody Episode: "The Wrath of Swan" (Season 1, Episode 20)
A.N.T. Farm Neville Episode: "endurANTs" (Season 2, Episode 7)
2016 Lab Rats: Elite Force Chase Davenport Main role


  • He was formerly known as 'Billy Unger'.
  • He dyed his hair blonde.
  • He's done a My Life segment and a Hot Seat on Disney XD.
  • Even though he portrays the 3rd out of the 4 Davenport siblings, he's actually older than Kelli Berglund who plays his older sister Bree.
  • He plays the electric guitar, acoustic guitar, piano and the drums.
  • He has guest starred on Sonny With A Chance, A.N.T. Farm and Kickin' it.
  • His sister Erin, appeared in many Lab Rats episodes as an extra.
  • He turned 20 on October 15th, 2015.
  • He did a TRYit! segment with Leo Howard from Kickin' It.
  • He's 5'8 in real height.
  • He's good at stunts, and would do anything, according to Kelli Berglund.
  • He's done a few segments of Win, Lose or Draw with Tyrel Jackson Williams.
  • He has dyed his hair black before in 2013.
  • He was in a band with Leo Howard of Kickin' it.
  • He has a pet snake.
  • His siblings, Eric and Erin Unger, are also actors.
  • He's in a band called 'California Chrome', which is founded by himself and where he's the main guitarist.
  • He was born in Palm Beach County, Florida.
  • He graduated school early when he was 15 years old.
  • He's dating Angela Moreno.
  • His parents are divorced.
  • He knows 4 Martial Arts types.
  • His favorite band is Guns N' Roses.
  • He loves to surf.
    • He has been surfing since he was six years old.
  • When he was first cast in the series "Sonny With a Chance", he would have played Sonny's little brother, but then they reworked the show.
  • He's been bullied because of his height, being called Small Fry.
  • His favorite Avenger is Iron Man.
  • He went to Paris in Summer 2015.
  • He's the oldest of the Lab Rats: Elite Force main cast.
  • He and Bradley Steven Perry were in the movie Opposite Day together.