He is best known for his role as Vila Restal in the science fiction television series Blake's 7 (1978-1981), and as Reverend George Stevens in EastEnders (2005-2017).

In 1981, Keating appeared in an episode of the BBC sitcom Yes Minister titled The Death List, playing the role of Police Constable Ross.

[3] Some years later Michael Keating reunited with his Blake's 7 co-star Gareth Thomas, in an episode of the BBC drama series Casualty.

[3] In 2004, Keating returned to the Doctor Who franchise, guest starring as Major Koth in the Big Finish Productions audio adventure The Twilight Kingdom.

In 2009, he had a brief role in the BBC one-off drama Micro Men about the rise of the British home computer market in the late 1970s and early 1980s.