William Sadler (pemeran)
Filmografi

| Film> Tahun | Film | Film> Sebagai | Film> Catatan lain |
| --- | --- | --- | --- |
| 1982 | Hanky Panky | Hotel Clerk |  |
| 1986 | Off Beat | Dickson |  |
| 1987 | Project X | Dr. Carroll |  |
| 1989 | K-9 | Car Salesman Don |  |
| 1990 | Hard to Kill | Senator Vernon Trent |  |
| 1990 | Die Hard 2 | Colonel Stuart |  |
| 1990 | The Hot Spot | Frank Sutton |  |
| 1991 | Bill & Ted's Bogus Journey | Grim Reaper/English Family Member |  |
| 1991 | Rush | Monroe |  |
| 1992 | Trespass | Don Perry |  |
| 1993 | Freaked | Dick Brian |  |
| 1994 | The Shawshank Redemption | Heywood |  |
| 1995 | Tales from the Crypt: Demon Knight | Brayker |  |
| 1996 | Bordello of Blood | The Mummy |  |
| 1996 | Solo | Colonel Frank Madden/Improved Solo |  |
| 1997 | RocketMan | Wild Bill' Overbeck |  |
| 1998 | Ambushed | Jim Natter |  |
| 1998 | Disturbing Behavior | Dorian Newberry |  |
| 1998 | Reach the Rock | Quinn |  |
| 1999 | Stealth Fighter | Adm. Frank Peterson |  |
| 1999 | The Green Mile | Klaus Detterick |  |
| 2001 | Skippy | Ringo |  |
| 2002 | Another Life | Man | Film pendek |
| 2003 | The Battle of Shaker Heights | Abraham 'Abe' Ernswiler |  |
| 2004 | Kinsey | Kenneth Braun |  |
| 2005 | Purple Heart | Colonel Allen |  |
| 2005 | Devour | Ivan Reisz |  |
| 2005 | Confess | Roger Lampert |  |
| 2006 | Unspoken | Dad |  |
| 2006 | Mr. Gibb | Honest Phil Palmer |  |
| 2006 | Jimmy and Judy | Uncle Rodney |  |
| 2006 | Premium | Cole Carter |  |
| 2006 | The Wine Bar | Bartender | Short film |
| 2007 | A New Wave | Mr. Dewitt |  |
| 2007 | August Rush | Thomas Novacek |  |
| 2007 | The Mist | Jim Grondin |  |
| 2008 | Eagle Eye | William Shaw |  |
| 2008 | Silent But Deadly |  |  |

Televisi
| Tahun | Judul | Sebagai | Catatan |
| 1977 | The CBS Festival of Lively Arts for Young People |  | Episode: Henry Winkler Meets William Shakespeare |
| 1978 | The Great Wallendas | Dieter Schmidt | NBC TV-Movie |
| 1981 | Charlie and the Great Balloon Chase | Joey | NBC TV-Movie |
| 1981 | Nurse | Dr. George Bradford | Episode: Margin for Error |
| 1982 | The Neighborhood |  | NBC TV-Movie |
| 1983 | Newhart | Guest | Episode: Lady & the Tramps |
| 1985 | Assaulted Nuts | Various |  |
| 1986 | The Equalizer | Rick Dillon/Kevin Moore | Episode: Shades of Darkness |
| 1987 | Private Eye | Charlie Fontana | TV-Movie/TV-Pilot |
| 1987 | Tour of Duty | Major Rigby | Episode: Dislocations |
| 1987–1988 | Private Eye | Lieutenant Charlie Fontana |  |
| 1988 | In the Heat of the Night | Ritchie Epman | Episode: Blind Spot (1)   Episode: Blind Spot (2) |
| 1988 | St. Elsewhere |  | Episode: The Abby Singer Show |
| 1988 | Cadets | Colonel Tom Sturdivant |  |
| 1988 | Dear John | Ben | Episode: The Younger Girl |
| 1989 | Roseanne | Dwight | Episode: Dan's Birthday Bash   Episode: Saturday |
| 1989 | Hooperman | Lanny Hardin | Episode: Look Homeward, Dirtbag |
| 1989 | Unconquered |  | TV-Movie |
| 1989 | Murphy Brown | Colonel Fitzpatrick | Episode: Off the Job Experience |
| 1989 | Hard Time on Planet Earth | Officer Rollman | Episode: The Way Home |
| 1989 | Gideon Oliver | Franklin Finney | Episode: By the Waters of Babylon |
| 1989, 1994 | Tales from the Crypt | Niles Talbot   The Grim Reaper | Episode: The Man Who Was Death   Episode: The Assassin |
| 1990 | The Face of Fear | Anthony Prine | CBS TV-Movie |
| 1991 | Two-Fisted Tales | Mr. Rush (Presenter) | FOX TV-Pilot |
| 1991 | The Last to Go | Treat | ABC TV-Movie |
| 1991 | Tagget | Yuri Chelenkoff | HBO TV-Movie |
| 1993 | Night Driving | Eddy | TV-Short Film |
| 1993 | Jack Reed: Badge of Honor | Anatole | NBC TV-Movie |
| 1994 | Bermuda Grace | Sam Grace | TV-Movie |
| 1994 | Roadracers | Sarge | Showtime TV-Movie |
| 1995 | The Omen | Dr. Linus | TV-Pilot |
| 1995 | The Outer Limits | Frank Hellner | Episode: Valerie 23 |
| 1996 | Poltergeist: The Legacy | Shamus Bloom | Episode: The Fifth Sepulcher |
| 1998,1999 | Star Trek: Deep Space Nine | Luther Sloan | Episode: Inquisition   Episode: Inter Arma Enim Silent Leges   Episode: Extreme Measures |
| 1999 | Witness Protection | Sharp | HBO TV-Movie |
| 1999–2002 | Roswell | Sheriff Jim Valenti |  |
| 2003 | Ed | Lee Leetch | Episode: The Case |
| 2003 | Law & Order: Criminal Intent | Kyle Devlin | Episode: Graansha |
| 2004 | Wonderfalls | Darrin Tyler |  |
| 2004 | JAG | Saul Wainwright | Episode: Retrial |
| 2005 | Third Watch | Scotty Murray | Episode: Forever Blue |
| 2005 | Tru Calling | Travis | Episode: Enough |
| 2005 | Law & Order: Trial by Jury | Paul Rice | Episode: Blue Wall |
| 2005 | Law & Order | Kevin Drucker | Episode: Life Line |
| 2006 | CSI: Crime Scene Investigation | Karl 'Red' Cooper | Episode: Killer |
| 2006 | The Path to 9/11 | Neil Herman | ABC Miniseries |
| 2007 | Numb3rs | J. Everett Tuttle | Episode: Democracy |
| 2007 | The Black Donnellys | Munst | Episode: All of Us Are in the Gutter |
| 2007 | Jesse Stone: Sea Change | Gino Fish | CBS TV-Movie |
| 2007 | Traveler | Carlton Fog |  |
| 2008 | Medium | John Edgemont | Episode: Girls Ain't Nothing But Trouble |