ActorGlen D. Hardin
- Born April 18, 1939 in Hollis, Oklahoma, USA
- 2026EPiC: Elvis Presley in ConcertFilmSelf (archive footage)
- 2022Elvis Presley: Meet Me In MemphisFilmpiano
- 2018Elvis Presley: The SearcherSeriesSelf (archive footage)
- 2017Roy Orbison: Black and White Night 30FilmSelf
- 2009John Denver: Thank God I'm a Country Boy: Live in Australia 1977FilmSelf - Piano
- 2006Elvis Lives: The 25th Anniversary ConcertFilmSelf
- 2003John Denver: Rocky Mountain High - Live in JapanFilmSelf - Keyboards
- 1992Elvis: The Lost PerformancesFilmSelf (archive footage)
- 1988Roy Orbison and Friends: A Black and White NightFilmSelf - Piano
- 1986John Denver: Country Roads Live in EnglandFilmSelf - Piano
- 1973Elvis - Aloha from HawaiiFilmSelf - Piano
- 1973Elvis: Aloha from Hawaii - Rehearsal ConcertFilmSelf - piano
- 1972Elvis on TourFilmSelf - Piano, Self
- 1972Elvis Live at Madison Square GardenFilmSelf - Piano
- 1970Elvis: That's the Way It IsFilmSelf - Musician
- 1965The Girls on the BeachFilmSelf