John Rubinstein is an American actor, composer, and director. He composed the theme song and score for numerous episodes of the ABC drama series Family, during which time he also won a recurring role as Jeff Maitland. Rubinstein played the title role in the docudrama The Search for Historic Jesus. His film credits include The Boys from Brazil, Another Stakeout, Atlas Shrugged: Part 2, A Mother’s Rage, and Being the Ricardos.