Michael Lembeck is an American actor and television and film director. He is best known as Max Horvath in One Day at a Time (1979–1984).

One Day at a Time is an American television sitcom that aired on CBS from December 16, 1975, to May 28, 1984. It starred Bonnie Franklin as a divorced mother raising two teenage daughters, played by Mackenzie Phillips and Valerie Bertinelli, set in Indianapolis.