| Title | Year | Status | Character |
|---|
| Sweet Darling | 2016 | post-production | Tom Dougherty |
| Let's Rap | 2015 | completed | Victor Brady |
| This Life | 2015 | TV Series filming | Gerald Lawson |
| Regression | 2015 | post-production | Cleveland |
| Good Witch | 2015 | TV Series announced | George |
| Rogue | 2015 | TV Series | General Howard |
| The Secret Life of Marilyn Monroe | 2015 | TV Mini-Series | Joseph M. Schenck |
| Mr. D | 2015 | TV Series | Coach Keenan |
| The Good Witch's Wonder | 2014 | TV Movie | George O'Hanrahan |
| The Divide | 2014 | TV Series | Judge |
| Call Me Fitz | 2010-2013 | TV Series | Ken Fitzpatrick |
| Tru Love | 2013 | | Richard |
| Hunting Season | 2013/I | | Jack |
| Splinter Cell: Blacklist | 2013 | Video Game | Secretary of Defence (voice) |
| The Good Witch's Destiny | 2013 | TV Movie | George O'Hanrahan |
| Defiance | 2013 | TV Series | Garret Clancy |
| Cracked | 2013 | TV Series | Sal Lenza |
| The Good Witch's Charm | 2012 | TV Movie | George O'hanrahan |
| Rookie Blue | 2010-2012 | TV Series | Tommy McNally |
| The Firm | 2012 | TV Series | |
| Bag of Bones | 2011 | TV Mini-Series | Bill Dean |
| 12 Dates of Christmas | 2011 | TV Movie | Mike Stanton |
| Salem Falls | 2011 | TV Movie | Roy Peabody |
| Against the Wall | 2011 | TV Series | |
| John A.: Birth of a Country | 2011 | TV Movie | Allan MacNab |
| Combat Hospital | 2011 | TV Series | General Hunnable |
| Haven | 2011 | TV Series | Mayor Richard Brody |
| Suits | 2011 | TV Series | Dean Morello |
| XIII: The Series | 2011 | TV Series | Sean Mulvey |
| Committed | 2011 | TV Movie | Dr. Quilley |
| The Kennedys | 2011 | TV Mini-Series | Governor Ross Barnett |
| My Family's Secret | 2010 | | Paul Darcie |
| Being Erica | 2010 | TV Series | Niall Fitzpatrick |
| The Good Witch's Gift | 2010 | TV Movie | George O'Hanrahan |
| Republic of Doyle | 2010 | TV Series | Malachy Doyle |
| At Risk | 2010 | TV Movie | Gov. Crawley (as Peter Macneill) |
| Sea Wolf | 2009 | TV Mini-Series | Fat Louis |
| Manson, My Name Is Evil | 2009 | | Judge |
| The Cry of the Owl | 2009 | | Sam Rhodes |
| Flashpoint | 2009 | TV Series | Stan Matthews |
| The Good Witch's Garden | 2009 | TV Movie | George O'Hanrahan |
| The Border | 2008 | TV Series | Clarence Barden |
| Kit Kittredge: An American Girl | 2008 | | Sheriff |
| The Summit | 2008 | TV Mini-Series | Michael Merchant |
| Céline | 2008 | TV Movie | Adhemar Dion |
| Menace | 2008 | TV Movie | Superintendent |
| The Good Witch | 2008 | TV Movie | George O'Hanrahan |
| Victor | 2008 | TV Movie | Mel Davis |
| The Secret | 2007 | | Dr. Christopher Bray |
| The Stone Angel | 2007 | | Jason Currie |
| Late Fragment | 2007 | | Christian |
| Something Beneath | 2007 | TV Movie | Deadmarsh |
| Talk to Me | 2007 | | Warden Cecil Smithers |
| The House Next Door | 2006 | TV Movie | |
| Above and Beyond | 2006 | TV Mini-Series | Gen. Anderson |
| The Path to 9/11 | 2006 | TV Mini-Series | USAF Colonel |
| The Marsh | 2006 | | Philip Manville |
| Naked Josh | 2006 | TV Series | Eric's Father - Jack |
| At the Hotel | 2006 | TV Series | Peter Miflin / Peter |
| Heyday! | 2006 | TV Movie | Frank Fleming |
| God's Goodness | 2005 | Short | Dr. Hanson |
| Queer as Folk | 2002-2005 | TV Series | Detective Carl Horvath |
| Trump Unauthorized | 2005 | TV Movie | Joseph Eichler |
| Cinderella Man | 2005 | | Electric Man |
| Our Fathers | 2005 | TV Movie | Older Spags' Friend Billy |
| A History of Violence | 2005 | | Sheriff Sam Carney |
| Kojak | 2005 | TV Series | Col. Vincent Barnett |
| Puppets Who Kill | 2005 | TV Series | Colonel Lee |
| Some Things That Stay | 2004 | | Mr. Burns (uncredited) |
| H2O | 2004 | TV Movie | Police Chief |
| 1-800-Missing | 2004 | TV Series | Samuel Marx |
| Geraldine's Fortune | 2004 | | Henry Liddle |
| Evel Knievel | 2004 | TV Movie | |
| Wild Card | 2004 | TV Series | Norman Culver |
| Bury the Lead | 2002-2004 | TV Series | Warren Donohue |
| Kingdom Hospital | 2004 | TV Series | Johnny B. Goode / 'Hawk' |
| Word of Honor | 2003 | TV Movie | Brig. Gen. Norm Van Arken |
| Killer Instinct: From the Files of Agent Candice DeLong | 2003 | TV Movie | Frank MacNeil |
| Luck | 2003 | | Dad |
| Open Range | 2003 | | Mack |
| Sounder | 2003 | TV Movie | Sheriff |
| Heart of a Stranger | 2002 | TV Movie | |
| Framed | 2002 | TV Movie | Capt. MacNamara (as Peter Macneill) |
| Guilty Hearts | 2002 | TV Movie | Det. Ed Rafferty |
| Blue Murder | 2001 | TV Series | Det. Jimmy Dater |
| Earth: Final Conflict | 1997-2001 | TV Series | Harry Winslow / Warden Cole |
| Doc | 2001 | TV Series | Gus Wanson |
| Who Is Cletis Tout? | 2001 | | Detective Tripp (as Peter MacNeil) |
| Angel Eyes | 2001 | | Lieutenant Dennis Sanderman |
| The Judge | 2001 | TV Movie | Gus Lano (as Peter MacNeil) |
| The Caveman's Valentine | 2001 | | Cork |
| Blessed Stranger: After Flight 111 | 2000 | TV Movie | Earl Barkhouse |
| Violet | 2000/II | | Rusty |
| Frequency | 2000 | | Butch Foster |
| Falcone | 2000 | TV Series | Joseph P. Welsh |
| Sex & Mrs. X | 2000 | TV Movie | Harry Frost |
| The Loretta Claiborne Story | 2000 | TV Movie | Coach Murdock |
| Shelly Fisher | 1999 | TV Movie | Deputy |
| A Touch of Hope | 1999 | TV Movie | Mr. Kraft |
| PSI Factor: Chronicles of the Paranormal | 1996-1999 | TV Series | Ray Donahue / Security Co-ordinator Ray Donahue |
| Dangerous Evidence: The Lori Jackson Story | 1999 | TV Movie | Ervan Kuhnke |
| Blue Moon | 1999 | TV Movie | Willis Randecker |
| Killer Deal | 1999 | TV Movie | Captain Desalvo |
| Resurrection | 1999 | | Captain Whippley |
| Storm of the Century | 1999 | TV Mini-Series | Sonny Brautigan |
| Deep in My Heart | 1999 | TV Movie | Gerald Nephew (as Peter MacNeil) |
| Dog Park | 1998 | | Neighbor |
| Simon Birch | 1998 | | Mr. Birch |
| The Long Island Incident | 1998 | TV Movie | Dennie McCarthy |
| Mind Games | 1998 | TV Movie | Wexford |
| Blind Faith | 1998 | | Captain McCully |
| My Own Country | 1998 | TV Movie | Allen |
| The Hanging Garden | 1997 | | Whiskey Mac |
| Too Close to Home | 1997 | TV Movie | Judge Sorenson |
| Giant Mine | 1996 | TV Movie | Harry Seaton |
| Mistrial | 1996 | TV Movie | Chief Inspecter Ray Hartman |
| Crash | 1996 | | Colin Seagrave |
| Conundrum | 1996 | TV Movie | Hershel Kirkland |
| Closer and Closer | 1996 | TV Movie | Sheriff Dwayne Jackson |
| No One Could Protect Her | 1996 | | Frank |
| Double Jeopardy | 1996 | TV Movie | Stu |
| Traders | 1996 | TV Series | Frank Larkin |
| Lonesome Dove: The Outlaw Years | 1995 | TV Series | Mr. Creel |
| The Possession of Michael D. | 1995 | TV Movie | Arthur |
| A Vow to Kill | 1995 | TV Movie | Sam Flowers |
| Butterbox Babies | 1995 | | William Young |
| Lives of Girls & Women | 1994 | TV Movie | Tom Jordan |
| Street Legal | 1990-1994 | TV Series | Dennis Pashkov / Doug O'Leary |
| Matrix | 1993 | TV Series | Kurt Campbell |
| Gross Misconduct: The Life of Brian Spencer | 1993 | TV Movie | Roy Spencer |
| Avonlea | 1993 | TV Series | Emmett Grier |
| Survive the Night | 1993 | TV Movie | Watch Commander |
| Deadly Matrimony | 1992 | TV Movie | Sheriff McKay |
| Beyond Reality | 1992 | TV Series | |
| E.N.G. | 1991-1992 | TV Series | Richard / Fraser |
| The Events Leading Up to My Death | 1991 | | Dad |
| Body Parts | 1991 | | Drunk |
| Heritage Minutes | 1991 | TV Series | John Matheson, MP |
| Whispers | 1990 | | Frank |
| Maniac Mansion | 1990 | TV Series | Morey Mellen |
| Stella | 1990 | | Bobby |
| My Secret Identity | 1990 | TV Series | |
| Captain Power: The Beginning | 1989 | TV Movie | Major Matthew 'Hawk' Masterson |
| Justice Denied | 1989 | | Harry Wheaton |
| Without Work: Sidetracked | 1989 | Short | |
| Love and Hate | 1989 | TV Movie | Ron Graham |
| C.B.C.'s Magic Hour | 1989 | TV Series | Coach Brennan |
| Renegades | 1989 | | Denny Ransom |
| War of the Worlds | 1989 | TV Series | Director |
| Physical Evidence | 1989 | | Brannigan |
| Rin Tin Tin: K-9 Cop | 1988-1989 | TV Series | Sergeant Callahan |
| Alfred Hitchcock Presents | 1988 | TV Series | Dr. Austin |
| Captain Power and the Soldiers of the Future | 1987-1988 | TV Series | Major Matthew 'Hawk' Masterson |
| Captain Power and the Soldiers of the Future: Future Force Training | 1987 | Video short | Hawk (voice, uncredited) |
| Captain Power and the Soldiers of the Future: Raid on Volcania | 1987 | Video short | Hawk |
| Les roses de Matmata | 1986 | | |
| Murder Sees the Light | 1986 | TV Movie | |
| One Police Plaza | 1986 | TV Movie | David Ancorie |
| The Edison Twins | 1985-1986 | TV Series | Mr. Edison |
| A Judgment in Stone | 1986 | | William |
| Philip Marlowe, Private Eye | 1986 | TV Series | Deputy sheriff |
| Left Out | 1985 | | |
| Droids | 1985 | TV Series | Jord Dusat |
| That's My Baby! | 1984 | | Donut Bum |
| A Good Tree | 1984 | Short | Father |
| Backstretch | 1983 | TV Series | Ray Foley |
| Kings and Desperate Men | 1981 | | Kidnapper |
| This Is Your Museum Speaking | 1979 | Short voice | |
| Blackout | 1978 | | |
| Happiness Is Loving Your Teacher | 1977 | Short | |
| Spinnolio | 1977 | Short voice | |
| One Man | 1977 | | Jack Williamson |
| Cathy's Curse | 1977 | | Gimble en 1935 (as Peter McNeil) |
| Rabid | 1977 | | Loader (as Peter McNeill) |
| What Do You Do?/What Are You Doing? | 1976 | Short voice | |
| Shadows in an Empty Room | 1976 | as Peter Mac Neil | |
| The Christmas Messenger | 1975 | TV Short as Peter MacNeil | |
| Why Rock the Boat? | 1974 | | Peterson |
| Appointment with Destiny | 1973 | TV Series | |
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