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
⭐ 4.717The Game Plan
⭐ 6.5Dear Santa
⭐ 6.226Homo Erectus
⭐ 3.853Life As We Know It
⭐ 6.908Look
⭐ 5.541The Motel Life
⭐ 5.732Bachelorette
⭐ 5.4Someone Marry Barry
⭐ 5.631A Love Like This
⭐ 0Director's Cut
⭐ 6.05Jewtopia
⭐ 4.704The Babymakers
⭐ 5.1Prep & Landing: Totally Tinsel Collection
⭐ 9.2Super Troopers 2
⭐ 5.865Being Frank
⭐ 6.6Are We Done Yet?
⭐ 5.809She's Out of My League
⭐ 6.481Prep & Landing: Naughty vs. Nice
⭐ 6.955I'm Just F*cking with You
⭐ 5.9The Binge
⭐ 5.3The Way Back
⭐ 6.658A Haunted House 2
⭐ 6.172The Adventures of Big Handsome Guy and His Little Friend
⭐ 0