Actor · DirectorPatrick CroninApril 11, 1941(82 years old)Philadelphia, Pennsylvania, USAPatrick Cronin is an American stage, television, and film actor best known for his television appearances spanning three decades.SocialsIMDbWebsiteKnown forSeinfeldSid FarkusSplashMichaelsonStar Trek: The Next GenerationProtocol Master ErkoThe Wonder YearsMarvin LutzRocky VDr. Rimlan21 Jump StreetAl BernardDoogie Howser, M.D.Dr. Brian Horshlower