Mark Ryan is an English actor, author, singer, and action director. He portrayed Mr. Gates in the Michael Bay/Starz production of the pirate show Black Sails, Nasir in the British TV series Robin of Sherwood, and is known for his work for the Transformers film franchise.

Black Sails is an American historical adventure television series set on New Providence Island and written to be a prequel to Robert Louis Stevenson's 1883 novel Treasure Island. The series was created by Jonathan E. Steinberg and Robert Levine for Starz. It debuted online for free on YouTube and other various streaming platform and video-on-demand services on January 18, 2014. The debut on cable television followed a week later on January 25, 2014. Steinberg is executive producer, alongside Michael Bay, Brad Fuller and Andrew Form, while Michael Angeli, Doris Egan, and Levine are co-executive producers. The show features treasure-seeking pirates fending off British government attempts to stop them.