Regina (Christina Moses) is working on a movie set in Miami, and her father (guest star Mario Van Peebles) stops by to visit, and reveals that his new wife has left him. As they talk it out, Regina gets real with her dad and explains the way his behavior can make people feel -- both the good and the bad. From 'stay,' season 4, episode 7 of 'A Million Little Things.' Watch 'A Million Little Things' WEDNESDAYS 10/9c on ABC. Stream on Hulu.