Michael Shaeffer is an English television and stage actor. He is especially known for his role as "Longcross" in the BBC political-thriller television series Bodyguard (2018).

He has also appeared in the television series Black Mirror (2013), The ABC Murders (2018) and The Salisbury Poisonings (2020), as well as the 2000 film adaptation of Jesus Christ Superstar. He has also played smaller roles in television shows, including Game of Thrones and Chernobyl, and films such as Kingdom of Heaven and Rogue One.