Brian Stepanek

Career Stepanek is known for his role as Arwin in the Disney Channel sitcom The Suite Life of Zack & Cody. He starred in the Disney Channel Original Movie Hatching Pete as the Coach Mackay, and Mostly Ghostly as Phears. He reprised his role as Arwin for three episodes of The Suite Life on Deck. He made an appearance in season 9, episode 19 of Two and a Half Men. Stepanek starred in Mr. Young as Adam's university professor, Dr. Fenway.

From 2014 to 2018, Stepanek portrayed Tom Harper in the Nickelodeon television series Nicky, Ricky, Dicky & Dawn, the father of the title quadruplets. In 2015, he appeared in the animated film Home voicing several roles, including the Gorg Commander.

In 2016, he began voicing family patriarch Lynn Loud Sr. on the Nicktoon The Loud House and reprised the role in its spinoff The Casagrandes as a guest star and the feature film The Loud House Movie. He also physically portrays Lynn Sr. in the live-action television film A Loud House Christmas and its follow-up series The Really Loud House.

Personal life Stepanek was born and raised in Cleveland, Ohio; 2025 A Loud House Christmas Movie: Naughty or Nice Lynn Loud Sr. / Robot Todd / Astronaut #1 Voice roles; direct-to-streaming film

Television Year Title Role Notes 2000 The West Wing Senator's Aide Episode: "The Lame Duck Congress" 2002 What I Like About You Lowell Episode: "Holly's First Job" JAG Lt. Murtaugh Episode: "Offensive Action" The Drew Carey Show Bob Episode: "The Dawn Patrol" 2003 Malcolm in the Middle Stan Episode: "Baby: Part 1" Six Feet Under Alex Graham Episode: "The Opening" 2004–2005 Father of the Pride Roger Recurring voice role 2005 CSI: Miami Andrew Stamler Episode: "Money Plane" 2005–2008 The Suite Life of Zack & Cody Arwin Hochhauser Recurring role, 27 episodes 2006–2008 Disney Channel Games Himself Host 2007 Kim Possible Mathter Voice role; episode: "Mathter and Fervent" 2008 The Secret Saturdays Agent Epsilon Voice role; episode: "Paris Is Melting" Brian O' Brian Brian Lead role 2008–2011 The Suite Life on Deck Arwin Hochhauser / Milos 3 episodes 2009 Hatching Pete Coach Mackey Television film Phineas and Ferb Mr. McGillicuddy Voice role; 2 episodes 2010–2011 Imagination Movers Sir Fears-a-Lot / Pete the Plumber Episodes: "Knight Time", "Haunted Halloween" 2010–2012 Kick Buttowski: Suburban Daredevil Harold Buttowski / Various voices Recurring voice role 2011 Mr. Young Professor 3 episodes2012 The Penguins of Madagascar Dode Voice role; episode: "Endangerous Species" 2012–2013 Two and a Half Men Arthur Episodes: "Palmdale, Ech", "Mr. Walden, He Die. I Clean Room." 2013 Major Crimes Mark Vogel Episode: "I, witness" 2013 The Crazy Ones Phil Episode: "The Intern" 2014 Jessie Mr. Collinsworth Episode: "Hoedown Showdown" Mixels Magnifo Voice role; episode: "Mixed Up Special" Mom Fred Episode: "Sonograms and Tube Tops" 2014–2015 The Haunted Hathaways Officer GooseBump 3 episodes 2014–2018 Nicky, Ricky, Dicky & Dawn Tom Harper Main role; directed 4 episodes 2016 The Middle Merv Episode: "Crushed" 2016–present The Loud House Lynn Loud Sr. / Robot Todd / Various voices Main voice role 2017–2024 Young Sheldon Mr. Givens Recurring role, 21 episodes 2017 Longmire Jay Purcell Episode: "Fever" 2018 The Thundermans Professor Meteor Episode: "The Thundredth" 2019 I'm Sorry Mr. Castellotti 4 episodes For All Mankind Shorty Powers 2 episodes 2019–2020 Team Kaylie Officer Stevie 4 episodes 2020 Outmatched Mr. Turpel Episode: "Bullying" 2020–2022 The Casagrandes Lynn Loud Sr. / Various voices Voice role; 3 episodes 2020 NCIS Chunk Episode: "Sturgeon Season" 2021 A Loud House Christmas Lynn Loud Sr. Television film 2022–2024 The Really Loud HouseLynn Loud Sr. / Robot Todd Main role; voice role 2023 A Really Haunted Loud House Television film2026The RookieEpisode: "Out of Time"