People Brad Prepon Brad Prepon Brad Prepon from . About Family Sister Brad Prepon has 1 sibling. American actress Laura Other facts about Brad Prepon Given name Brad Family name Prepon. Show people with the surname Prepon Brad Prepon's Sister Laura Prepon, 44 Comments There are no comments yet. Enter your name here: Enter your email here: Enter your message here: Your message is required. Markdown cheatsheet. Submit