Marshall got his start as a writer on The Dick Van Dyke Show and The Lucy Show. In 1974, he cast a young actor named Ron Howard to star in his second sitcom, Happy Days. Starring Henry Winkler, Tom Bosley, and Marion Ross, the show ran for an astounding 11 seasons, and is still in syndication today.
In 1976, Marshall looked to his sister, Penny Marshall, when it came time to casting his third most successful sitcom, Laverne and Shirley.
In the ’80s, Marshall began directing feature length films. His first hit came with 1984’sThe Flamingo Kid. Other notable credits included 1990’s Pretty Woman, 1999’s Runaway Bride, 2001’s The Princess Diaries, and 2004’s The Princess Diaries 2. His last three projects were the ensemble cast films Valentine’s Day, New Year’s Eve, and Mother’s Day, which was released this past April.