Sienna didn’t grow up planning to be an actor. Coming from an extremely sporty family, performing was never initially on the cards. However, during high school she discovered a passion for the stage and quickly realised there was no greater joy for her than performing. She went on to complete a Bachelor of Arts (Drama), during which she was selected to write, direct, and perform in an original show titled Finite at the Melbourne Fringe Festival. After graduating, Sienna moved to Sydney for three years to further develop her craft. There she trained in the Meisner Technique and worked with leading acting coaches including Les Chantery, Lisa Robertson, and Kim Farrant. Alongside her training, Sienna has appeared in a range of short films, including BOYMODE, which was selected as the top film at the 2026 Mardi Gras Short Film Festival. She has also been a regular performer with Improv Theatre Sydney and Impro Melbourne. In addition to her screen and stage work, Sienna has appeared in numerous commercial campaigns, most recently for GARNIER and SOLO. Happy New Year is Sienna’s first collaboration with BYTE.

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