Adam McArthur

Acting

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.

Filmography 14

Movies (7)

The Pickup
2024
Joe
Man Eaters
2018
Frank
Star vs. the Forces of Evil: The Battle for Mewni
2017
Marco Diaz (voice)
Mike's Kooky Summer
2014
Mike
Motocross Kids
2004
Male Reporter
Water Under the Bridge
2003
Young Jake
Scooby-Doo! Spooky Camp Stories
Counselor Coope

Shows (7)

Homestuck
2025
Dave Strider (voice)
Chibiverse
2022
Marco Diaz (voice)
S.A.L.E.M.
2020
Oliver (Voice)
Ollie & Scoops
2019
Rudy (voice)
Star vs. the Forces of Evil
2015
Marco Diaz (voice)
The Adventures of Puss in Boots
2015
Chad (voice)
Star Wars: The Clone Wars
2008
Prince Lee-Char (voice)