Lee Mack comedy was doing Bobby Ball impressions at his school when he was 15. Mack is a keen supporter of Blackburn Rovers and occasionally visits Ewood Park to watch games. At one point, Mack shared a flat with Noel Fielding. In July 2012, Mack received an honorary doctorate from Brunel University. He published his autobiography "Mack the Life" () in the same year. In 2012, Mack was diagnosed with attention deficit hyperactivity disorder. Mack is a darts fan and regularly plays with his friend Tim Vine. Both men appeared on the debut series of "Let's Play Darts", facing each other in
Russell Mack direct one film for them, "Lonely Wives", before signing with Universal Pictures. Over the next three years, Mack would direct six films for Universal, including the film version of the Moss Hart and George S. Kaufman play "Once in a Lifetime" in 1932. In 1934 he returned to RKO, where he wrote, directed, and produced "The Meanest Gal in Town". Although he was slated to direct several films between 1933 and 1935, his final screen credit was for "The Band Plays On" in 1934 for MGM. In 1942, Mack returned to the East Coast, where he and his second wife,