[citation needed] Earlier in his career, Miguel portrayed Visel, the primary antagonist in the crime thriller Graceland: A Life for Every Lie (2012),[3][4] directed by Ron Morales.

[8] His work includes EJK (Extra-Judicial Killing), a political drama produced by Red Carpet Philippines, which premiered at Greenbelt 1, Cinema 2, Ayala Center, Makati.

Leon Miguel first gained international exposure through supporting roles in American, Japanese, and Italian movies shot in the Philippines.

Leon Miguel was in several television commercials as a Katipunero in KKK (Andres Bonifacio) (1998), and Isang Bandila (Emilio Aguinaldo) (1998) for the Philippine Centennial Celebration.

He also portrayed a Chavacano fisherman in an intrusion project of GMA Channel 7 and Globe Company, in the music video "Believe" which was used as a Station ID for the Peace and Unity information-dissemination drive.