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Donald "Don" Most is an American actor and singer, best known for his role as Ralph Malph on the television series Happy Days.
Birth Name
Donald Most
Born
Saturday, 08 August 1953
Actor Filmography
| Title | Character | Year |
|---|
| Puckheads | Steven Caston | 3172 |
| Unsung Hero | Pierce | 2024 |
| Far Haven | Chester Tilley | 2023 |
| County Line: No Fear | Rick Porter | 2022 |
| When George Got Murdered | Correction Officer Wilson | 2022 |
| Holiday in Santa Fe | Mr. Rogers | 2021 |
| David Mirisch, the Man Behind the Golden Stars | Self | 2021 |
| History of the Sitcom | Ralph Malph | 2021 |
| Bigfoot, UFOs and Jesus | Milo Williams | 2021 |
| More Than Miyagi: The Pat Morita Story | Self - Actor - Happy Days / Self | 2021 |
Actor Filmography
| Title | Character | Year |
|---|
| Puckheads | Steven Caston | 3172 |
| Unsung Hero | Pierce | 2024 |
| Far Haven | Chester Tilley | 2023 |
| County Line: No Fear | Rick Porter | 2022 |
| When George Got Murdered | Correction Officer Wilson | 2022 |
| Holiday in Santa Fe | Mr. Rogers | 2021 |
| David Mirisch, the Man Behind the Golden Stars | Self | 2021 |
| History of the Sitcom | Ralph Malph | 2021 |
| Bigfoot, UFOs and Jesus | Milo Williams | 2021 |
| More Than Miyagi: The Pat Morita Story | Self - Actor - Happy Days / Self | 2021 |
| Lost Heart | Milo Williams | 2020 |
| MBF: Man's Best Friend | Ian Tapper | 2019 |
| Remember Isobel | Sean | 2018 |
| Robin Williams: Come Inside My Mind | Self | 2018 |
| 6 Love Stories | Rick the Surly Bartender | 2016 |
| Andrea Doria: Are the Passengers Saved? | Self | 2016 |
| Follow | Mr. Reynolds | 2016 |
| Six LA Love Stories | Rick the Surly Bartender | 2016 |
| Chez Upshaw | Vet Guest | 2015 |
| The Odd Couple | Fred | 2015 |
| The Indie Lounge | Self - Guest | 2014 |
| The Jimmy Star Show with Ron Russell | Guest | 2014 |
| Oprah: Where Are They Now? | Self | 2012 |
| Home & Family | Self - Musical Guest | 2012 |
| Bones | Mr. Reeves | 2010 |
| Men of a Certain Age | Charles | 2009 |
| The Yankles | Frankie Dubs | 2009 |
| Glee | Rusty Pillsbury | 2009 |
| Celebrity Ghost Stories | Himself | 2008 |
| The Great Buck Howard | Tonight Show Producer | 2008 |
| Filmnut | Self | 2007 |
| TV Land Confidential | Self - Interviewee | 2005 |
| Happy Days: 30th Anniversary Reunion | Self | 2005 |
| Century City | Pudge McNeil | 2004 |
| Yes, Dear | Professor Rhodes | 2000 |
| Blank Surfaces | Self | 2000 |
| Edtv | Benson | 1999 |
| Family Guy | Donny Most | 1999 |
| The Crow: Stairway to Heaven | Dr. John Dorsett | 1998 |
| Sabrina the Teenage Witch | The White Rabbit | 1996 |
| Dark Skies | Timothy Leary | 1996 |
| Pure Danger | Parole Officer | 1996 |
| Dead Man's Island | Burton Andrews | 1996 |
| Mad TV | Don Most as Peter Pippen | 1995 |
| Hourglass | Andre | 1995 |
| Sliders | Skip Collins | 1995 |
| Star Trek: Voyager | Kadan | 1995 |
| Diagnosis Murder | Emerson Horn | 1993 |
| Acting on Impulse | Leroy | 1993 |
| Happy Days Reunion Special | Self | 1992 |
| Shades of LA | Smitts | 1990 |
| Hägar the Horrible | Lute Instructor / Lute / Instructor | 1989 |
| The New Lassie | Fred | 1989 |
| Baywatch | Roger Clark | 1989 |
| The Munsters Today | Barney Morley | 1988 |
| Teen Wolf | Stiles | 1986 |
| Stewardess School | George Bunkle | 1986 |
| Charles in Charge | Lottery Winner | 1984 |
| Murder, She Wrote | Ozzie Gerson / T.J. Holt | 1984 |
| Masquerade | Dooley | 1983 |
| Dungeons & Dragons | Eric the Cavalier | 1983 |
| Entertainment Tonight | Self / Himself (archive footage) | 1981 |
| Aloha Paradise | Lurp | 1981 |
| The Fonz and the Happy Days Gang | Ralph Malph | 1980 |
| 3-2-1 Contact | Self | 1980 |
| Leo and Loree | Leo | 1980 |
| The Muppets Go Hollywood | Self | 1979 |
| Angie | Coffee shop customer | 1979 |
| Greatest Heroes of the Bible | Daniel | 1978 |
| Everyday | Self | 1978 |
| Mel & Susan Together | Self | 1978 |
| The Jim Nabors Show | Self | 1978 |
| CHiPs | Moloch | 1977 |
| The Love Boat | Marv Prine / Keith Kelly | 1977 |
| ABC Weekend Specials | Henry Cooper | 1977 |
| Fantasy Island | Kermit Dobbs / Todd Porter / Billy Williams | 1977 |
| The Captain and Tennille | Self | 1976 |
| Break the Bank | Self | 1976 |
| Crazy Mama | Shawn | 1975 |
| Huckleberry Finn | Tom Sawyer | 1975 |
| Dinah! | Self | 1974 |
| Petrocelli | Will Johnson | 1974 |
| Happy Days | Ralph Malph / Purvis | 1974 |
| Police Story | Arthur Kane | 1973 |
| Emergency! | Fred Wilson | 1972 |
| Room 222 | Louie | 1969 |
| The Mike Douglas Show | Himself - Actor / Self - Actor | 1961 |
| American Bandstand | Himself | 1952 |
Director Filmography
| Title | Year |
|---|
| Harley's Hill | 2011 |
| Moola | 2007 |
| The Last Best Sunday | 1999 |
Producer Filmography
| Title | Year |
|---|
| Remember Isobel | 2018 |
| Harley's Hill | 2011 |
