5. Rob Lowe
You may know of this actor from his most famous role in The West Wing, but did you know that Rob Lowe has complete hearing loss in his right ear as a result of a childhood illness? He's also recognized as a member of the Brat Pack, and his other acting credits include St. Elmo's Fire, Wayne's World, Parks and Recreation, as well as the 1994 TV miniseries The Stand, in which he played Nick Andros, a character who had complete hearing loss and was unable to speak.
Fun fact: In 2000, Rob Lowe became the first male spokesperson for the Lee National Denim Day fundraiser. The event raises money for women's cancer programs of the Entertainment Industry Foundation.