MacArthur completed his high school studies at Deerfield Academy. After this, he joined Bowdoin College to pursue a Bachelor’s in Government. To pursue his interest in acting, he later enrolled in Groundlings Theater Company and Atlantic Theater Company, too. He made his feature film debut with Homo Erectus, portraying Thudnik. However, he is most widely known for playing Jay Geils in Angie Tribeca. His other acting credits also include Go On,
Prep & Landing
⭐ 6.9Lower Learning
⭐ 4.7The Game Plan
⭐ 6.5Dear Santa
⭐ 6.235Homo Erectus
⭐ 3.9Life As We Know It
⭐ 6.905Look
⭐ 5.421The Motel Life
⭐ 5.7Bachelorette
⭐ 5.408Someone Marry Barry
⭐ 5.6A Love Like This
⭐ 0Director's Cut
⭐ 6Jewtopia
⭐ 4.6The Babymakers
⭐ 5.06Prep & Landing: Totally Tinsel Collection
⭐ 9.2Super Troopers 2
⭐ 5.872Being Frank
⭐ 6.6Are We Done Yet?
⭐ 5.839She's Out of My League
⭐ 6.483Prep & Landing: Naughty vs. Nice
⭐ 6.9I'm Just F*cking with You
⭐ 5.939The Binge
⭐ 5.3The Way Back
⭐ 6.648A Haunted House 2
⭐ 6.171The Adventures of Big Handsome Guy and His Little Friend
⭐ 0