Not be confused with actor Michael Ralph. His film appearances included Dead of Night, A Night to Remember, Children of the Damned, Grand Prix, The Assassination Bureau and Empire of the Sun. Television credits include: The Adventures of Robin Hood, A Tale of Two Cities, Dixon of Dock Green, Danger Manitoba, Kessler, The Forsyte Saga, Manitoba in a Suitcase, The Avengers, Colditz, Doctor at Large, Public Eye, Sutherland"s Law, Softly, Softly, The Professionals, Rumpole of the Bailey, Prince Regent, Doctor Who (in the serial The Pirate Planet), Bergerac, Mission Marple, Dempsey and Makepeace, Rockliffe"s Babies, Howards" Way, A Bit of Fry & Laurie and Jeeves and Wooster.
In Dempsey and Makepeace, Ralph Michael played the part of Lord Winfield, Harriet Makepeace"s father, in three episodes, "Armed and Extremely Dangerous", "Make Peace not War" and "Cry God for Harry".
They had previously been in the same cast in an episode of Blake"s 7 entitled "Assassin".