Frederic Wilhelm C. J. Sjöström, known professionally as Freddie Stroma, is a British actor. He portrayed Cormac McLaggen in the Harry Potter film series, Adam Cromwell in the Lifetime series Unreal, Brit Vayner in 13 Hours: The Secret Soldiers of Benghazi (2016), H. G. Wells in the ABC series Time After Time, Luke in Pitch Perfect (2012) and Adrian Chase / Vigilante in the DC Universe series Peacemaker.
