Photo of Jack O'Brien
Acting

Jack O'Brien

Profession
Acting
Born
June 11, 2005 · Fort Collins, Colorado

Biography

Jack O'Brien (born June 11, 2005) is an Irish-American actor, photographer, and editor. They began acting in independent short films at nineteen, and was most recently featured in director Logan Agnew's Training Day (2026).

Known for

Training Day poster
Training Day
Film · 2026

Filmography