
Actor
Guillermo Alonso
- Movies
- 3
- Shows
- 4
Biography
**Guillermo Alonso** is an actor whose recent work spans festival cinema, commercial theatrical releases, and American network television. Bilingual in English and Spanish, he has built a career that moves fluidly between Mexico and the United States. He stars in **La Cazadora** (*The Huntress*), which premiered on the festival circuit including **Sundance** and the **Morelia International Film Festival (FICM)**, and in **El Desaire**, released theatrically in Mexico through Cinépolis and Cinemex. On television, Alonso has appeared in **Billy the Kid** (as Melquiades Segura), **Criminal Minds** (as Agent Owen Helm), **9-1-1** (as Cal), and **Found** (as Austin Scott). His earlier work includes a string of short films that built the foundation for his current run of festival and studio projects. He is represented by **Vision Entertainment** and **Innovative Artists**.
Known For
- 2026
- The Snub · Film · Juan
- The Huntress · Film · Rosales
- 2023
- Found · Series · Austin Scott
- La Grande Ourse · Film · Machinist
- 2022
- To Go to the Moon · Film · James Hamilton
- Billy the Kid · Series · Melquiades Segura
- 2018
- 9-1-1 · Series · Cal
- 2005
- Criminal Minds · Series · Agent Owen Helm





