Guillermo Alonso
Actor
**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.
Read moreShow less
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
Acting3
- 2026The Snub as Juan
- 2026The Huntress as Rosales
- 2022To Go to the Moon as James Hamilton
Behind the camera1
- 2023La Grande Ourse Machinist