Adam McArthur

Acting · b. 1982 · San Francisco, California, USA

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.

Known for

8.4

Star vs. the Forces of Evil

2015 · Series · Marco Diaz (voice)

8.5

Star Wars: The Clone Wars

2008 · Series · Prince Lee-Char (voice)

7.1

The Adventures of Puss in Boots

2015 · Series · Chad (voice)

6.0

Motocross Kids

2004 · Male Reporter

6.4

Chibiverse

2022 · Series · Marco Diaz (voice)

7.2

Ollie & Scoops

2019 · Series · Rudy (voice)

6.0

Man Eaters

2018 · Frank

10.0

S.A.L.E.M.

2020 · Series · Oliver (Voice)

Star vs. the Forces of Evil: The Battle for Mewni

2017 · Marco Diaz (voice)

Homestuck: The Animated Series

2025 · Series · Dave Strider (voice)

The Pickup

2024 · Joe

All acting credits