Adam McArthur

Where to watch Adam McArthur in United States. On screen since 2003. Licensed apps only — 11 titles we track below.

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.

Where to watch their titles

Star Wars: The Clone Wars
Prince Lee-Char (voice) · 2008
Star vs. the Forces of Evil
Marco Diaz (voice) · 2015
The Adventures of Puss in Boots
Chad (voice) · 2015
Motocross Kids
Male Reporter · 2004
Chibiverse
Marco Diaz (voice) · 2022
Ollie & Scoops
Rudy (voice) · 2019
S.A.L.E.M.
Oliver (Voice) · 2020
Man Eaters
Frank · 2018
The Pickup
Joe · 2024
Star vs. the Forces of Evil: The Battle for Mewni
Marco Diaz (voice) · 2017
Homestuck: The Animated Series
Dave Strider (voice) · 2025