Sean O'Neal: Sean O'Neal. Actor: Clarissa Explains It All. Sean O'Neal was born on 29 November 1975. He is an actor, known for Clarissa Explains It All (1991), Cop & ½ (1993) and Penumbra (2016).
Known For: Clarissa Explains It All (Sam Anders), Cop & ½ (McNally(as Sean Evan O'Neal)), Penumbra (Party Guest), Development Hell (Protester #1)