Adelaide Clemens is a talented Australian actress born and raised in Brisbane, Australia, to a British father. She began her acting career while still in high school, making guest appearances on Australian television shows such as Blue Water High and Pirate Islands: The Lost Treasure of Fiji.
Clemens' early roles included Harper in the Showtime drama Love My Way, for which she received a nomination for the Graham Kennedy Award for Most Outstanding New Talent at the 2008 Logie Awards. She also appeared in the 2008 MTV Networks Australia dramatic film Dream Life, alongside Sigrid Thornton, Xavier Samuel, Linda Cropper, and Andrew McFarlane.
In 2009, Clemens had small roles in the television series All Saints and the film X-Men Origins: Wolverine. She became the face of Jan Logan's jewelry that year and relocated to Los Angeles, California. She starred in the 2010 film Wasted on the Young as Xandrie.
Clemens' subsequent roles included starring in the 2012 film Camilla Dickinson, alongside Gregg Sulkin, Cary Elwes, and Samantha Mathis. She portrayed teenager Heather Mason in the horror film Silent Hill: Revelation, which was based on the survival horror video game Silent Hill 3 and was a sequel to the film Silent Hill.
In 2012, Clemens also played a lead role as the young suffragette Valentine Wannop in the television mini-series Parade's End, a co-production between HBO and BBC Two. She appeared in the horror film No One Lives, starring Luke Evans, and played Catherine, the sister of Myrtle Wilson, played by Isla Fisher, in the film The Great Gatsby.
Clemens starred as Tawney Talbot in the Sundance Channel television miniseries Rectify, created by Ray McKinnon. She will also star with Natalie Dormer, Stephen Graham, and Zachary Quinto in the independent drama The Girl Who Invented Kissing.