Michael appeared in the 2006 BBC documentary The Cult of Blake's 7.
Michael is married to his wife Sue since 11th February 2006.
Michael starred with fellow Blake's 7 star Paul Darrow in "Are You Lonesome Tonight?", a West End stage musical about Elvis Presley.
After working with Michael on the Doctor Who story "The Sun Makers", director Pennant Roberts suggested him for the part of Vila on Blake's 7.
Michael is active in hiking, and is a member of Britain's biggest walking charity, The Ramblers Association.
Michael appears in the science-fiction comedy drama CD series "Soldiers Of Love" as ex-game show host Mydas Mydason.
Michael played Vila Restal slightly slouched and stooped to make his character look smaller than the rest of the Liberator crew.
In early 2006, Michael filmed a commercial for a Polish beer in Warsaw and did a commercial for the Dutch National Lottery in Amsterdam.
Michael has a daughter, Lisa, born in 1972.
Michael based his portrayal of Vila Restal on Feste the jester from Shakespeare's "Twelfth Night".
After he graduated from school in 1963, Michael was employed as a mailing clerk for United Artists Film Corporation for one year.
Michael's favourite Blake's 7 episode is "City at the Edge of the World".
Michael revealed in an interview that he is a fan of the TV series Frasier.
Michael appeared in the Big Finish Productions Doctor Who audio stories "The Twilight Kingdom" (as Koth) and "The Year of the Pig" (as Inspector Chardalot).
Michael grew up in Potters Bar, Hertfordshire.
Michael has brown eyes and originally had brown hair, which is now grayish-brown.
From 1964 to 1966, Michael studied drama at the Guildhall School of Music and Drama.
Michael is the only actor to have appeared in all 52 episodes of the British science-fiction series Blake's 7.
(In the 2006 BBC documentary "The Cult of Blake's 7", on his character Vila Restal):
Michael Keating: Vila is, I think, not a coward. I think he is just very careful. He is a survivor. He was a thief. He doesn't wanna go anywhere, don't take any risks. A bit like me, really, I suppose. (smiles)