Frederic Wilhelm C. J. Sjöström[1] (born 8 January 1987[2]), known professionally as Freddie Stroma, is a British-French[3] actor.

While studying neuroscience at University College London,[5] Stroma continued to work as an actor and model.

Stroma appeared in the direct-to-DVD romantic film A Cinderella Story: Once Upon a Song as a British student, Luke Morgan.

[7] In 2014, he was cast in the role of Jack in the psychological thriller After the Dark, which was formerly known as The Philosophers, with his former Harry Potter co-star Bonnie Wright.

[19] Stroma had a role in the Michael Bay film 13 Hours: The Secret Soldiers of Benghazi (2016), playing Yale University graduate student Brit Vayner, an undercover CIA officer in Libya.

[20] In 2020, he played a guest role on Netflix's period drama Bridgerton, appearing as Prince Frederick of Prussia opposite Phoebe Dynevor and Regé-Jean Page.