
Biography
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.
Acted in 11
2020s
- 2025
Homestuck: The Animated Series
Dave Strider (voice) · 1 episode
- 2024
The Pickup
Joe
- 2022
- 2020
S.A.L.E.M.
Oliver (Voice) · 1 episode
2010s
- 2019
Ollie & Scoops
Rudy (voice) · 3 episodes
- 2018
Man Eaters
Frank
- 2017
Star vs. the Forces of Evil: The Battle for Mewni
Marco Diaz (voice)
- 2015
2000s
- 2008
- 2004
Motocross Kids
Male Reporter
Other crew 1
2020s
- 2024
The Pickup
Stunt Driver