Filmography
| Year | Film | Role | Notes |
|---|---|---|---|
| 1983 | The Dead Zone | Ambulance Driver | |
| 1984 | SCTV Channel | Man on the phone | TV series - Half Wits Save the World Parade |
| 1985 | The Cuckoo Bird | Ted | TV Movie |
| Head Office | University Dean | ||
| 1986 | The Beachcombers | Dave Douglas | TV series - Trial Balloon |
| 1987 | Deadly Deception | Lawyer | TV movie |
| Sworn to Silence | Peter Massio | TV movie | |
| Airwolf | F.I.R.M. official | "The Key" "Roque Warrior" "Stavograd: Part 1" "Stavograd: Part 2" |
|
| The Little Match Girl | Dr. Sam Easton | TV movie | |
| 1988 | Captain Power and the Soldiers of the Future | Arvin | TV series Judgement |
| Danger Bay | Frank Norris Jack Kane |
TV series Racing Against Time High Five |
|
| 1989 | Beyond the Stars | Hal Simon | |
| Matinee | Heath Harris | TV movie | |
| Look Who's Talking | Drug Dealer | ||
| Wiseguy | Curant / Inspector #2 | People Do it All the Time The Merchant of Death |
|
| 1990 | Anything to Survive | Dr. Reynolds | TV movie |
| It | Mr. Gedreau | TV movie | |
| 1991 | 21 Jump Street | Judge Harrison Mr. Weidlin Mr. Wickenton |
"Crossfire" "'Champagne High" "Mean Streets and Pastel Houses" |
| MacGyver | Judge | TV series | |
| Omen IV: The Awakening | Lawyer (uncredited) | TV movie | |
| The Hitman | Dr. Atkins | ||
| The Commish | Don Chesley | TV series "A Matter of Life or Death: Part 1" "A Matter of Life or Death: Part 2" |
|
| 1992 | Diagnosis Murder | Marvin Parkins | |
| Street Justice | Badgely | TV series - "Homecoming" | |
| Nightmare Cafe | Doctor | TV series - "Sanctuary for a Child" | |
| 1993 | North of 60 | Inspector Neilsen | TV series - "Out of the Blue" |
| 1994 | Heart of a Child | Vern | TV movie |
| Beyond Suspicion | Capt. Dick Roth | TV movie | |
| Don't Talk to Strangers | Huddleston | TV movie | |
| 1995 | Dangerous Intentions | Group Leader | |
| Not Our Son | Police Chief | TV movie - uncredited | |
| Circumstances Unknown | Gene Reuschel | TV movie | |
| Sliders | Prof. Myman | TV series - "Eggheads" | |
| Courting Justice | Dr. Alexander | TV movie | |
| 1996 | Unforgettable | Dr. Smoot | |
| Poltergeist: The Legacy | Dr. Bill Nigel | TV series - "Do not go Gently" | |
| The Limbic Region | Teacher | TV movie | |
| 1998 | The X-Files Game | The Smoking Man | Video Game |
| The Last Tzaddik | Mr. Drazien | short | |
| The X-Files | The Smoking Man | ||
| Voyage of Terror | Dr. Norman Ellisy | TV movie | |
| 1999 | Mentors | Sir Arthur Conan Doyle | TV series - "The Truth is in Here" |
| Murder Most Likely | Detective Inspector | TV movie | |
| 2000 | Perpetrators of the Crime | Henderson | |
| Killing Moon | Ed | TV movie | |
| Becoming Dick | Dr. Hardwin | TV movie | |
| The Fearing Mind | Michell Cofax | TV series - "Gentleman Caller" | |
| 2001 | The Proposal | Angent Frank Gruning | |
| First Wave | Sagon | TV series - "Checkmate" | |
| Out of Line | Russell | ||
| Mindstorm | Parish | ||
| The Outer Limits | Dr. Biemler Ed John Wyrner |
TV series - "Worlds Within" "Out of Body" "The Conversation" |
|
| Jay and Silent Bob Strike Back | The Smoking Man | uncredited | |
| Andhrax | Tye Crow | ||
| Mythquest | Head Priest | TV series "The Oracle" | |
| Andromeda | Professor Logitch | TV series - "Pitiless as the Sun" | |
| 2002 | Polished | Phillip | short |
| Aftermath | Deputy Director Edwards | ||
| Damaged Care | Dr. Sam Verbush | TV movie | |
| Body & Soul | Dr. Edward A. Esseff | TV series | |
| The Thing | Col. Whitely | Video Game - voice | |
| Saint Sinner | Father Michael | TV movie | |
| 100 Days in the Jungle | TV movie | ||
| 2003 | Broken Saints | Benjamin Palmer - voice | |
| Arbor Vitae | Old Soul | short | |
| Smallville | Major William 'Billy' Tate | TV series - "Relic" "Ryan" |
|
| Word of Honor | Lewis Kaplan - Tyson's Boss | TV movie | |
| 2004 | Snakehead Terror | Doc Jenkins | |
| Kingdom Hospital | Dean Swinton | TV series - "The Young and the Headless" | |
| The Cradle Will Fall | Dist. Atty. Alex Myerson | TV movie | |
| Lyon King | Finance Minister | short | |
| Murdoch Mysteries | Alderman Godfrey Shepcote | TV series "Expect the Dying" | |
| Packing Up | Jenkins | short | |
| The X-Files: Resist or Serve | The Smoking Man | Video game - voice | |
| 2005 | The Cost of Living | Mark Mortinson | short |
| The Last Round | Mitchell | ||
| Tilt | Father Mike | TV series - "Nobody Ever Listens" | |
| Max Rules | Rick Brinkley | ||
| Robson Arms | Dr. Carlisle Wainwright | "Aftershock" "The Recipe" "Educating Alicia" "The Loney Passion of Mr. Tan" "A Material Breach" |
|
| Dark Pines | Shannon Fraser | TV documentary | |
| Stargate SG-1 | Damaris Ori Prior Damaris |
"The Fourth Horseman" "Babylon" |
|
| 2006 | Supernatural | College Professor | TV series - "Scarecrow" |
| The Janitors | Harvey | short | |
| Dark Storm | General Killion | TV movie | |
| Her Fatal Flaw | Richard O'Brien | TV movie | |
| Sisters | Dr. Bryant | ||
| The Secret of Hidden Lane | Judge Landers | TV movie | |
| Canadian Comedy Shorts | finance Minister | TV series - "Episode #10.9" | |
| 2007 | The Messengers | Colby Price | |
| Judicial Indiscretion | Senator Garland Wolf | TV movie | |
| Numb | Peter Milbank | ||
| Masters of Science Fiction | The President | TV series - "The Awakening" | |
| 2008 | The Femme Fatale | Sam | video short |
| Fear Itself | Father Chris | TV series - "In Sickness and in Health" | |
| A Pickle | Mack | short | |
| Passengers | Jack | ||
| Reverse | Chris | short | |
| 2009 | Possession | Dr. Creane | |
| Something Evil Comes | Mr. Dutton | TV movie | |
| The Shortcut | Benjamin Hartley | ||
| Caprica | Minister Chambers | TV series - "Pilot" | |
| The Thaw | Ted | ||
| Damage | Veltz | ||
| Web of Desire | Dr. Charles Friedman | TV movie | |
| 2010 | Blob | The Boss | short |
| Human Target | Whitey Doyle | TV series - "Run" | |
| Medium Raw: Night of the Wolf | Dr. Robert Parker | TV movie | |
| Flowers for Norma | Older Gentleman #2 | short | |
| Amazon Falls | Calvin | ||
| 2011 | Goose on the Loose | Alphonse David | |
| Behemoth | William Walsh | TV movie | |
| 2012 | The Tall Man | Sheriff Chestnut | |
| Motel de Gracia | (rumored) pre-production | ||
| Continuum | Alec Sadler (2077) | TV series |
Read more about this topic: William B. Davis