Tim Matheson – 75
At the age of 13, Tim Matheson began his acting career when he was cast in Leave It to Beaver and Yours, Mine, and Ours. In the 1978 film Animal House, he would play the ladies’ guy Eric “Otter” Stratton. Matheson has continued working in the entertainment industry ever since, both as an actor and a director. He shared the screen once again with Animal House co-star John Belushi in 1941, for which he won two Emmy nominations. Additionally, he has directed several episodes of the television series Psych, Criminal Minds, White Collar, and Suits.