Michael Shaeffer is an English television and theatre actor. He is especially known for the role of "Longcross" in the BBC political thriller 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 in the 2000 film adaptation of the musical Jesus Christ Superstar.

He has also played small roles in television shows, including Game of Thrones and Chernobyl, and in films such as Kingdom of Heaven and Rogue One.