Sienna Arif Knights

Who Is Sienna Arif Knights?

Sienna Arif Knights is a British actress, singer, and dancer. In fact, she is best known for CBBC’s Malory Towers. Her birthday falls on September 19, 2005. So she is now 20 years old. She comes from England. Moreover, she trained in performance from a young age. Today, fans admire her work across stage and screen. As a result, she has built a steady following.

Early Life and Before Fame

Sienna fell in love with performing as a child. In fact, she trained in both acting and dance. Early on, she joined the Twiin Dance Company. She also studied at the respected BRIT School. Soon, she started booking television commercials. For example, she appeared in ads for BT Sport and The Co-op. Therefore, she gained on-camera experience young.

Career

Sienna Arif Knights landed her breakout role in Malory Towers. There, she plays the loyal but shy Sally Hope. The show first aired in 2020 on CBBC and BBC iPlayer. Since then, she has appeared in over 60 episodes. Later, she guest-starred as Keziah in Good Omens. In 2025, she made her National Theatre debut in Ballet Shoes. As a result, her stage and screen profile keeps rising.

Trivia and Fun Facts

Sienna says Sally is quite different from her real personality. In fact, she describes herself as bubbly and outgoing. Besides acting, she trains seriously as a dancer. She has also appeared as a guest on Blue Peter. Clearly, Sienna Arif Knights enjoys many sides of performing.

Family Life

Sienna grew up in a supportive English family. In fact, her mother sometimes features on her Instagram. Her family encouraged her love of the Malory Towers books early on. Even so, she keeps most of her private life low-key.

Associated With

Sienna Arif Knights stars alongside Ella Bright in Malory Towers. Moreover, she shares the screen with Danya Griver and Beth Bradfield. The young cast grew close during years of filming. Together, they brought Enid Blyton’s classic story to life.