Page-Lochard first appeared on stage at six months old in Yirra Yaken: The Cake Man (1993), then at an older age in Skin (2000), Boomerang (2005) and Blak (2013) for the Bangarra Dance Theatre. He then appeared in Bloodland (2012) for the Sydney Theatre Company and Adelaide Festival. He featured in Wesley Enochs, Black Diggers (2014) a part of the Queensland Theatre Company. He then played the lead in Brothers Wreck (2014) by Jada Alberts at Sydney's Belvoir directed by Leah Purcell. He played a role in ATYP's Sugarland (2014). He won the Sydney Theatre Awards' Best Newcomer Award for Black Diggers, Brothers Wreck and Sugarland. He was nominated for a Helpmann Award in 2015 for Brothers Wreck. In 2015, he starred as Orestes in Belvoir's Elektra/Orestes.

Page-Lochard has appeared in guest roles on Water Rats (2001), East West 101 (2007), directed by Peter Andrikidis and ABC2's Soul Mates (2014). He also appears as the lead in Wayne Blair and Leah Purcell's Genre series, ABC's Cleverman in 2016.

In 2012, Page-Lochard graduated from Australian Film, Television and Radio School receiving a certificate in Screenwriting and completed an Actors Residency course at the National Institute of Dramatic Art.

Page-Lochard made his feature film debut in Rachel Perkins’ award winning film, Bran Nue Dae (2010). He appeared in Wayne Blair's The Sapphires, which screened in Official Selection at the Cannes Film Festival. He also featured as the lead in Sarah Spillane's feature film, Around the Block (2013) alongside Christina Ricci, the film premiered at the Toronto International Film Festival in 2013. In 2015, he attended the Toronto International Film Festival for his father's feature film debut Spear (2015). He has also featured in several short films including Adrian Wills Arcadia and Wayne Blair’s Black Talk and The Djarn Djarns (2005), which won the Crystal Bear Award for Best Short Film at the Berlin International Film Festival.