Acting · San Francisco, California, USA · Born November 28, 1982
Adam McArthur is an American actor and martial artist based in Los Angeles, California, United States. His best-known role is voicing Marco Diaz in the Disney XD cartoon Star vs. the Forces of Evil. He also voices characters on other animation shows and on-screen on some nationally aired commercials. In martial arts, he specializes in kung fu, has been a champion at some tournaments, and has been the featured subject of several documentaries that have aired on PBS.
TVHomestuck
2025
as Dave Strider (voice)
MovieThe Pickup
2024
as Joe
TVChibiverse
2022
as Marco Diaz (voice)
TVS.A.L.E.M.
2020
as Oliver (Voice)
TVOllie & Scoops
2019
as Rudy (voice)
MovieMan Eaters
2018
as Frank
MovieStar vs. the Forces of Evil: The Battle for Mewni
2017
as Marco Diaz (voice)
TVStar vs. the Forces of Evil
2015
as Marco Diaz (voice)
TVThe Adventures of Puss in Boots
2015
as Chad (voice)
Mike's Kooky Summer
2014
as Mike
TVStar Wars: The Clone Wars
2008
as Prince Lee-Char (voice)
MovieMotocross Kids
2004
as Male Reporter
Water Under the Bridge
2003
as Young Jake
Scooby-Doo! Spooky Camp Stories
as Counselor Coope
