(1982) Tron

as Alan Bradley / Tron

(1987) Angel in Green

as Captain William Wicker

(2007) 07 Spaceys

as ---

(1999) Babylon 5: A Call to Arms

as John J. Sheridan

(1998) Babylon 5: In the Beginning

as John J. Sheridan

(1998) Babylon 5: Thirdspace

as Capt. John J. Sheridan

(2009) Transmorphers: Fall of Man

as Officer Hadley Ryan

(2010) TRON: Legacy

as Alan Bradley / Tron

(2007) Sharpshooter

as Sheriff Garner

(2008) Dead Space: Downfall

as Colin Barrow (voice)

(1992) Kuffs

as Brad Kuffs

(2007) Babylon 5: The Lost Tales - Voices in the Dark

as President John Sheridan

(2010) Shadows in Paradise

as Cpt. Dyer

(2003) Killer Flood: The Day the Dam Broke

as Mr. Walker

(2003) Gods and Generals

as Lt. Gen. James Longstreet

(2004) Snakehead Terror

as Sheriff Patrick James

(2004) Brilliant

as Dr.Dietrich

(2008) Aces 'N' Eights

as D.C. Cracker

(1990) Breakaway

as Joey

(2003) The Only Witness

as Nicholas Preston

(2023) Babylon 5: The Road Home

as John Sheridan (voice)

(2011) TRON: The Next Day

as Alan Bradley

(2002) The Making of TRON

as Himself

(2005) A Killer Upstairs

as Detective Bruning

(2002) Contagion

as President Howard

(1992) Double Jeopardy

as Jack Hart

(2011) 51

as Col. Martin

(2010) LEGO® Atlantis: The Movie

as Captain Ace Speedman

(2008) Bone Eater

as Sheriff Steve Evans

(2011) Love's Everlasting Courage

as Lloyd

(2004) Saving Emily

as Gregory

(1999) Free Fall

as Mark Ettinger

(2000) The Perfect Nanny

as Dr. Robert Lewis

(1975) Sixpack Annie

as Bobby Joe

(1986) The Return of Mickey Spillane's Mike Hammer

as Himself

(1983) The Gambler: The Adventure Continues

as Billy Montana

(1991) Diplomatic Immunity

as Cole Hickel

(2011) Launching the Legacy

as Self

(2011) Installing the Cast

as Self

(1997) Danielle Steel's Zoya

as Clayton Andrews

(1987) The Gambler, Part III: The Legend Continues

as Billy Montana

(2002) Hope Ranch

as J.T. Hope

(1980) The Baltimore Bullet

as Billie Joe Robbins

(2006) Double Cross

as James

(2000) Perilous

as Judd

(1991) Murderous Vision

as Detective Kyle Robeshaw

(1987) Passion Flower

as Larry Janson

(2007) The Pixar Story

as Tron (archive footage)

(1980) The Gambler

as Billy Montana

(1986) Louis L'Amour's Down the Long Hills

as Scott Collins

(1989) The Road Raiders

as Charlie

(1992) Perfect Family

as Allan Bodine

(1993) House of Secrets

as Dr. Frank Ravinel

(2013) The Thanksgiving House

as Parker Mather

(1975) A Cry for Help

as Richie Danko

(2023) A Gettysburg Christmas

as Ron

(2015) So You Said Yes

as Nick Blanche

(2004) Special Report: Zombie Invasion

as The President

(2023) The Warrant: Breaker's Law

as Judge Thaddeus Breaker

(1978) Happily Ever After

as Jack Gregory

(2012) AniMen: The Galactic Battle

as General Moss

(2001) Life in the Balance

as ---

(2005) King of the Lost World

as Lt. Challenger

(1993) Flight from Justice

as Michael Shafer

(1989) From the Dead of Night

as Peter Langford

(1990) Love with a Twist

as Host

(2012) Blackout sur Los Angeles

as Nathan Bell

(2013) Silver Bells

as Bruce Dalt

(2024) Space Command Redemption

as General Joe Haldeman

(1983) I Married Wyatt Earp

as Wyatt Earp

(1994) Wyatt Earp: Return to Tombstone

as Sam, Sheriff of Cochise County

(2016) Wedding Bells

as Charlie Turner

(2006) Falling in Love with the Girl Next Door

as Frank Lucas

(2004) They Are Among Us

as Hugh

(1994) Gunsmoke: One Man's Justice

as Davis Healy

(2005) Legion of the Dead

as Sheriff Jones

(2024) Christmas Under the Northern Lights

as Doug

(1988) Red River

as Matthew Garth

(1977) Murder at the World Series

as Cisco

(2006) Mystery Woman: Wild West Mystery

as Clint Lawson

(2016) Double Mommy

as Scott

(1992) The Babe

as Jumpin' Joe Dugan

(1976) The Macahans

as Seth Macahan

(1988) The Town Bully

as ---

(2017) Gourmet Detective: Eat, Drink and Be Buried

as Jim Ross

(2018) The Christmas Contract

as Tim Guidry

(1981) Fly Away Home

as Carl Danton

(2019) MatchMaker Mysteries: A Killer Engagement

as Nick Columba

(1974) The Chadwick Family

as Danny

(2019) Holiday Date

as Walter

(1976) Kiss Me, Kill Me

as Douglas Lane

(1992) The Secret

as Patrick Dunmore

(2005) Arthur Hailey's Detective

as Ketledge

(2020) Gourmet Detective: Roux the Day

as Jim Ross

(2021) MatchMaker Mysteries: The Art of the Kill

as Nick Columba

(2012) TRON: Uprising

as Tron

(2007) Chuck

as Dr. Woody Woodcomb

(2012) GCB

as Burl Lourd

(2005) Young Blades

as Captain Duval

(2005) American Dad!

as Bruce Boxleitner (voice)

(2006) Heroes

as Robert Malden

(2004) The Tony Danza Show

as Self - Guest

(2003) Cold Case

as Huck Oberland

(1999) Twice in a Lifetime

as Ray Patterson / Dr. Goode

(2001) Crossing Jordan

as Foster Eldridge

(1995) The Outer Limits

as Senator Wyndom Brody

(1994) Babylon 5

as John Sheridan

(1994) Touched by an Angel

as Scott Tanner

(1977) How the West Was Won

as Luke Macahan

(1955) Gunsmoke

as Toby Hogue

(1974) Police Woman

as Ed Krohl

(1975) Baretta

as Dom

(1970) The Mary Tyler Moore Show

as Rick Welch

(1976) Battle of the Network Stars

as Himself - CBS Team

(1968) Hawaii Five-O

as Cam Farraday

(1989) Tales from the Crypt

as Winton Robbins

(1989) Judith Krantz's Till We Meet Again

as Jock Hampton

(1983) Scarecrow and Mrs. King

as Lee Stetson

(1982) Bring 'Em Back Alive

as Frank Buck

(1981) East of Eden

as Charles Trask

(2013) Cedar Cove

as Bob Beldon

(1994) Babylon 5

as Self

(2003) NCIS

as C. Clifford Chase

(1979) The Last Convertible

as George Virdon

(1995) The Maharaja's Daughter

as Patrick O'Riley

(1968) Hawaii Five-O

as Kevin Caulder

(1968) Hawaii Five-O

as Paul Colburn

(1980) Wild Times

as Vern Tyree

(1994) Babylon 5

as Capt. John J. Sheridan

(2017) The Orville

as President Alcuzan

(2015) Supergirl

as President Baker

(2009) Celebrity Ghost Stories

as Self

(2003) NCIS

as Clifford Chase

(2005) Commander in Chief

as Tucker Hayes

(1983) The Gambler: The Adventure Continues

as Billy Montana

(1982) Bare Essence

as Chase Marshall

(2002) She Spies

as Chairman

(1944) Golden Globe Awards

as Self - Presenter