Nathan Davis was an American stage and screen actor. By trade, he was a pharmaceutical sales rep who decided to pursue acting after being fired from his sales job in the late 1970s.
| Movie | Imperfect Quadrant | 2016-12-15 | |
| Movie | Jazz Icons: Art Blakey Live in '65 | Self - sax | 2009-10-27 |
| Movie | Let's Go to Prison | Old Juror | 2006-11-17 |
| Movie | Holes | Stanley Yelnats II | 2003-04-18 |
| Movie | Almost Salinas | Zelder Hill | 2001-04-01 |
| Series | Becker | Unknown | 1998-11-02 |
| Movie | Dunston Checks In | Victor Dubrow | 1996-01-12 |
| Movie | Chain Reaction | Morris Grodsky | 1996-08-02 |
| Movie | Steal Big Steal Little | Harry Lordly | 1995-09-29 |
| Series | ER | Unknown | 1994-09-19 |
| Series | The Untouchables | Unknown | 1993-01-11 |
| Series | Frasier | Otto | 1993-09-16 |
| Movie | Shaking the Tree | Grandpa Sullivan | 1991-11-15 |
| Movie | The Package | Soviet Press Secretary | 1989-01-25 |
| Movie | Poltergeist III | Reverend Henry Kane | 1988-06-10 |
| Movie | Burglar | Mr. Paggif | 1987-03-20 |
| Movie | Murder Ordained | Doctor | 1987-05-03 |
| Movie | Flowers in the Attic | Grandfather | 1987-11-20 |
| Series | Crime Story | Unknown | 1986-09-19 |
| Movie | Tough Guys | Jimmy Ellis | 1986-10-03 |
| Movie | Code of Silence | Felix Scalese | 1985-05-03 |
| Movie | The Killing Floor | Judge Alschuler | 1984-04-10 |
| Movie | The Impostor | 1984-11-08 | |
| Movie | Young Lust: A Soap Opera | Arthur Levinthal | 1984-04-27 |
| Movie | Risky Business | Business Teacher | 1983-08-05 |
| Movie | Will: G. Gordon Liddy | 1982-01-10 | |
| Series | Cheers | Unknown | 1982-09-30 |
| Movie | The Children Nobody Wanted | Orville | 1981-12-05 |
| Movie | On the Right Track | Mario | 1981-03-06 |
| Movie | Hudson Taylor | 1981-01-01 | |
| Movie | Thief | Grossman | 1981-03-27 |
| Movie | Dummy | Cop | 1979-05-27 |
| Movie | Flesh & Blood | North Announcer | 1979-10-14 |
| Movie | Stony Island | Lewis Moss | 1978-11-17 |