Don MostActingAugust 8, 1953 (72 years old)Brooklyn, New York City, New York, USAPopularity: 1IMDbBiographyFrom Wikipedia, the free encyclopedia. Don Most (born August 8, 1953; Brooklyn, New York) is an American actor best known for his role as Ralph Malph on the television series Happy Days.Also Known AsDonald Most • Donn Most • Donny MostKnown For7.4TrendingFamily GuyDonny Most (voice)7.5Murder, She WroteT.J. Holt7.5Murder, She WroteOzzie Gerson7.8Star Trek: VoyagerKadan7.1Diagnosis: MurderEmerson Horn6.3The Love BoatMarv Pine6.3The Love BoatKeith Kelly6.8GleeRusty Pillsbury6.0Baywatch7.8GemSabrina, the Teenage WitchWhite Rabbit7.6Happy Days7.6Happy DaysRalph MalphPhotos of Don MostFilmographyMovies34TV Shows29AllCast31Crew3Browse All2020sMaking of Harsens Island RevengeSelf7.0Harsens Island RevengeRay Bernstein7.0Unsung HeroPierce8.0Far HavenChester TillyWhen George Got MurderedC.o. Wilson7.1More Than Miyagi: The Pat Morita StorySelf6.0Holiday in Santa FeMr. Rogers5.0Bigfoot, UFOs and JesusMilo WilliamsMiddletownDon Abrams8.0The Happy Days of Garry MarshallSelf2.8Lost HeartMilo Williams2010s1.0Remember IsobelSean5.0Six L.A. Love StoriesRick the Surly Bartender4.6FollowMr. PearsonDualityKyleCampin' BuddiesWilbur4.4Harley's HillDirector2000s5.0The YanklesFrankie Dubs6.0The Great Buck HowardTonight Show Producer4.1MoolaDirector8.0ABC's 50th Anniversary CelebrationSelf7.0The Thundering 8thCrew Chief1990s5.9EDtvBenson4.6The Last Best SundayDirector5.6Dead Man's IslandBurton Andrews4.8Acting on ImpulseLeroy1980s6.9Hägar the HorribleLute Instructor4.9Stewardess SchoolGeorge Bunkle1970sDaniel and NebuchadnezzarDaniel6.2Huckleberry FinnTom Sawyer10.0With This RingJames Cutler5.6Crazy MamaShawn