Actor and musician, born December 26th, 1971 in Bossier City, Louisiana, USA.
After starting his career with television appearances in the early 1990s, Leto achieved recognition for his role as Jordan Catalano on the television series My So-Called Life, before going on to become a Hollywood star and appearing in films including Requiem For A Dream, Fight Club, Panic Room, Alexander and Lord of War.

Leto is the lead vocalist, multi-instrumentalist and main songwriter for 30 Seconds To Mars.
His older brother is Shannon Leto.