Cast of Boyhood

Ellar Coltrane portrays Mason Evans Jr., the main character who we see grow and navigate life from childhood to adulthood.

Patricia Arquette plays Olivia, Mason's mother who struggles to provide for her family and find stability throughout the years.

Ethan Hawke takes on the role of Mason Evans Sr., Mason Jr.'s father who tries to reconnect with his children and be a part of their lives.

Lorelei Linklater portrays Samantha Evans, Mason's older sister who also goes through various life changes alongside her brother.

Libby Villari appears as Catherine, Mason's stepmother who plays a role in his life as he grows up.

Marco Perella plays Bill Welbrock, Olivia's second husband who introduces new challenges to the family dynamic.

Brad Hawkins portrays Jim, Olivia's professor who becomes a significant figure in her life.

Jamie Howard plays Mindy Welbrock, Bill's daughter, who becomes part of Mason's extended family.

Andrew Villarreal portrays Randy Welbrock, Bill's son, who adds another layer to Mason's family relationships.

Jenni Tooley appears as Annie, one of Mason's high school girlfriends who impacts his life during his teenage years.

Zoe Graham plays Sheena, another one of Mason's girlfriends who he encounters as he navigates through young adulthood.

Charlie Sexton portrays Jimmy, a mentor figure who brings music and creativity into Mason's life.