Piper Perabo as Nora Baker
Since Cheaper by the Dozen, Perabo has worked on films including The Prestige, Beverly Hills Chihuahua, and Looper, but she's best known for her role as CIA trainee turned field operative Annie Walker on Covert Affairs. She's active on Twitter and is currently filming Wake, opposite Bruce Willis. Perabo married actor/director Stephen Kay in 2014, and is also an advocate for LGBT rights.
Tom Welling as Charlie Baker
Before Welling played the eldest Baker son, he had a recurring role as Rob Meltzer on Judging Amy. However, he's best known for his role as young Clark Kent on Smallville, which aired from 2001 to 2011. In 2005, he starred in the horror remake of The Fog. More recently, Welling worked on Parkland and Draft Day. In 2016, he will star in The Choice, a film based on the Nicholas Sparks novel of the same name.
Hilary Duff as Lorraine Baker
Duff portrayed the title character on Disney Channel's Lizzie McGuire and went on to star in films such as The Perfect Man; Material Girls, opposite her sister Haylie Duff; and A Cinderella Story. She guest-starred on Law & Order: Special Victims Unit and released several albums. More recently, she worked on Flock of Dudes, opposite Skylar Astin, and will star in TV Land's show Younger. Check out her official website here.
Kevin G. Schmidt as Henry Baker
Schmidt grew up a lot since he played that poor kid who fell in puke. He worked on the famous soap opera The Young and the Restless as Noah Newman for many episodes. In 2012, he guest-starred on Bones, and in 2014, he starred in the TV movie Sea of Fire. You can keep up with Schmidt's adventures on Facebook and Twitter. You can also check out his official website for more information.
Alyson Stoner as Sarah Baker
Stoner played the spunky tomboy of the Baker clan, and she's been quite busy since Cheaper by the Dozen. She guest-starred on shows such as Drake & Josh, That's So Raven, and The Suite Life of Zack and Cody. She was the co-host on Disney Channel's Mike's Super Short Show and appeared in numerous Missy Elliot music videos. She voices Isabella on Phineas and Ferb, and has two films set to premiere later this year. Moreover, you can check out her videos on YouTube, including one where she pays tribute to the Missy Elliot video "Work It."
Jacob Smith as Jake Baker
Smith played Owen Salinger on Party of Five and Brian Riley on Disney Channel's Phantom of the Megaplex before landing the role of Jake Baker. He had a recurring guest star role on Miracles, as well as a single-episode role on Without a Trace. His last film credit was for the pilot of Secrets of a Small Town back in 2006.
Liliana Mumy as Jessica Baker
Mumy comes from acting roots — her dad played Will Robinson in the classic TV show Lost in Space. She voiced Mertle Edmonds in the various spin-offs for Lilo & Stitch. She also played Lucy Miller in The Santa Clause 2 and The Santa Claus 3: The Escape Clause. Her more recent projects include voiceover work for Bravest Warriors and Sofia the First.
Morgan York as Kim Baker
York went on to co-star in The Pacifier, opposite Vin Diesel, Brittany Snow, and Max Thieriot. From 2006-2010, she worked on Hannah Montana for 11 episodes, and this was her last acting credit. Today, York is studying to be a writer, with a focus in young adult fantasy. You can follow her on Twitter and Instagram. Plus, she has her own online journal.
Forrest Landis as Mark Baker
After Landis played the "FedEx" Baker sibling, he went on to act in The Skeleton Key, opposite Kate Hudson, and Flightplan, opposite Jodie Foster. He guest-starred on ER, Weeds, and Boston Legal, and his last acting credit was as the lead in the family film Spy School in 2008. He's also on Twitter, but hasn't been active for a couple of months, and hasn't shared a more recent photo of himself.
Blake Woodruff as Mike Baker
Woodruff played the mischievous Baker brother, and Cheaper by the Dozen was his first big film role. He previously performed in Blind Horizon, but was uncredited. He worked on two TV movies in the early 2000s, Mr. Ed in 2004 and Back to You and Me in 2005. His last film role was as David in the horror/thriller film Whisper in 2007.
Besides playing the youngest Baker siblings, the identical Kinsman twins are best known for playing Preston and Porter Scavo on Desperate Housewives. Both also worked on an episode of ER in 2008. Neither have acted since 2011.