William Marquez (born March 14, 1943) guest starred on George Lopez in the recurring role of Manny Lopez, George's absent father, who first appears in the Season 1 episode "Long Time No See (Part Two)". Appearing in a total of three episodes of the series, Manny, Marquez's character, whom George hasn't seen since he was a toddler, appears in George's life again when Georgee decides to drive to Phoenix with intent to confront him for not being a part of his childhood, this, while bringing Angie, Benny and Max with him to Phoenix after Manny had offered via phone call to loan him money.