Ellar Coltrane (born in 1994) is an American actor primarily known for his breakthrough role in Richard Linklater's drama *Boyhood* (2014). In this film, Coltrane portrayed Mason Evans Jr. from age 6 to 18, a filming process that spanned 12 years. This unique cinematic experience allowed audiences to observe his growth and maturation in real time, lending his performance extraordinary authenticity and earning him widespread critical acclaim.

Following the immense success of *Boyhood*, Coltrane continued to work primarily in independent cinema. His other significant roles include appearances in films such as *The Circle* (2017) and the Australian thriller *Bloody Hell* (2020). His acting style is often characterized by an introspective and subtle approach, ideal for complex, reflective characters or those searching for their own path.