<P> Miles Dominic Heizer (born May 16, 1994) is an American actor and musician . He stars in the Netflix original series 13 Reasons Why as Alex Standall . His most notable film role was in the 2007 movie Rails & Ties, in which he played character Davey Danner . From 2010 until 2015, he starred in the NBC drama series Parenthood as Drew Holt, the son of Lauren Graham's character Sarah Braverman . Miles appears in the 2016 film Nerve as Tommy, alongside actors Emma Roberts and Dave Franco . He also played the recurring role of Joshua Lipnicki on four episodes of the NBC medical drama series ER, and co-starred in the 2018 dramedy film Love, Simon as Cal . </P> <P> Heizer was born on May 16, 1994 in Greenville, Kentucky . His mother is a nurse, and he has one older sister named Moriah . Miles' family moved to Los Angeles when he was ten years old . </P> <P> He made his acting debut in an episode of CSI: Miami titled "Nothing to Lose", playing the role of Joey Everton . He then starred in the short film Paramedic as Young James . Heizer has since guest - starred in episodes of Ghost Whisperer, Shark, Bones, and Private Practice . </P> <P> In 2007, Heizer played the role of Davey Danner at 12 years old in the film Rails & Ties, for which he was nominated for the Young Artist Award for Best Leading Young Actor in a Feature Film . That same year, he had a recurring role as Joshua Lipnicki on the NBC medical drama television series ER . In 2010, he was cast as Drew Holt, the son of Lauren Graham's character, on the NBC drama series Parenthood . Heizer portrayed his character Drew Holt alongside his real life best friend Mae Whitman who starred as his character's sister, Amber Holt, until the series' ending in 2015 . </P>

Who plays alex's brother on 13 reasons why