These Celebrities Are Scientologists + The Ones Who Left Scientology - Page 31 of 65

Jeff Conaway

Jeff Conaway was a long-time friend of John Travolta; the two met as young actors on the set of Grease, and they went on to score roles in film and television together. Naturally, he was introduced to Scientology by Travolta.

Conaway had struggled with alcohol and opiate addiction in the past, so the study and practice of Scientology was a welcome change for him. Unfortunately, Conaway passed away from pneumonia and one final battle with painkillers that proved fatal.