Nicholas William Hamilton (born 3 May 2000) is an Australian actor, known for portraying Rellian in Captain Fantastic and Henry Bowers in It and It Chapter Two.
Hamilton was born in Lismore, Australia to Vicki Atkins and Craig Hamilton. He has a brother named Joshua "JJ" Hamilton and two sisters namely Rebecca Hamilton and Rachel Hamilton. His uncle died from cancer in 2011, which he credits as starting his career, stating "I knew I had to pursue acting for him." His first role was the part of Elvis in a grade five school play - Hamilton said he reluctantly took it, but 'really enjoyed whole process' of rehearsal. He later joined a local acting agency.
Hamilton gained industry attention in the 2013 short film Time, directed by Liam Connor. He played a young boy who believed in time travel. The film was a finalist of the 2013 Tropfest Short Film Festival, and Hamilton won an award at the festival for Best Male Actor. This gained him the attention of Catherine Poulton, an agent in Melbourne, Victoria, Australia. He began his screen career with a role in Mako: Island of Secrets, and parts in short films such as Jackrabbit and Letter to Annabelle.