Sophie Colquhoun is an English actress. She started her professional acting career in the 2010s, during which she made one-time roles in Rev., The IT Crowd, Fresh Meat, and PhoneShop. Later, she appeared in 3 episodes of EastEnders: E20 as Ava. In 2011, she made her cinematic debut as Bonnie in Captain America: The First Avenger. That same year, she played Susie in The Inbetweeners Movie. Her first starring role on TV was as Cynthia in the British comedy series Plebs. Following this, she played recurring role Gemma Kensington in The Royals. As of 2017, she plays the voice of Frankie in Thomas & Friends. She has also performed in the films Freaks of Nature and Anti-Social.