Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1974 | The Chadwick Family | Danny | TV movie |
| 1975 | A Cry for Help | Richie Danko | TV movie |
| 1975 | Sixpack Annie | Bobby Joe | |
| 1976 | The Macahans | Seth Macahan | TV mini-series |
| 1976 | Kiss Me, Kill Me | Douglas Lane | TV movie |
| 1977 | Murder at the World Series | Cisco | TV movie |
| 1978 | Happily Ever After | Jack | TV movie |
| 1980 | The Baltimore Bullet | Billie Joe Robbins | |
| 1980 | Kenny Rogers as the Gambler | Billy Montana | TV movie |
| 1981 | Fly Away Home | Uncredited | |
| 1982 | Tron | Tron/Alan Bradley | |
| 1983 | I Married Wyatt Earp | Wyatt Earp | |
| 1983 | Kenny Rogers as the Gambler: The Adventure Continues | Billy Montana | TV movie |
| 1984 | Blondes vs. Brunettes | Himself | TV special |
| 1987 | Kenny Rogers as the Gambler, Part III: The Legend Continues | Billy Montana | TV movie |
| 1987 | Passion Flower | Larry Janson | |
| 1987 | Angel in Green | Captain William Wicker | |
| 1990 | Breakaway | Joey | |
| 1991 | Murderous Vision | Detective Kyle Robeshaw | |
| 1992 | Kuffs | Brad Kuffs | |
| 1992 | The Babe | Jumpin' Joe Dugan | |
| 1992 | The Secret | Patrick Dunmore | |
| 1992 | Perfect Family | Allan Bodine | |
| 1994 | The Maharaja's Daughter | Patrick O'Riley | TV mini-series |
| 1994 | Gambler V: Playing for Keeps | Billy Montana | TV movie |
| 1998 | Babylon 5: In the Beginning | Capt. John J. Sheridan | |
| 1998 | Babylon 5: Thirdspace | Capt. John J. Sheridan | |
| 1999 | Babylon 5: A Call to Arms | President John J. Sheridan | |
| 1999 | Free Fall | Mark Ettinger | |
| 2002 | Contagion | President Howard | |
| 2002 | Hope Ranch | J.T. Hope | TV movie |
| 2003 | Gods and Generals | James Longstreet | |
| 2004 | Brilliant | Dr. Dietrich | |
| 2004 | Snakehead Terror | Sheriff Patrick James | |
| 2007 | Babylon 5: The Lost Tales | President John J. Sheridan | |
| 2008 | Transmorphers: Fall of Man | Hadley Ryan | |
| 2010 | Tron: Legacy | Tron/Rinzler/Alan Bradley | |
| 2011 | 51 | Col. Martin | |
| 2011 | Tron: The Next Day | Alan Bradley | |
| 2012 | Guardians of Luna | Kurru | Filming, Voice Role |
| 2014 | Tron 3 | Tron/Alan Bradley |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1973 | Mary Tyler Moore Show | Rick | |
| 1974–1976 | Hawaii Five-O | Cam Farraday/Kevin Caulder/Paul Colburn | Recurring role |
| 1975 | Gunsmoke | Toby Hogue | |
| 1975 | Police Woman | Ed Krohl | |
| 1976 | Baretta | Tom | |
| 1977–1979 | How the West Was Won | Luke Macahan | TV mini-series |
| 1979 | The Last Convertible | George Virdon | TV mini-series |
| 1980 | Wild Times | Vern Tyree | |
| 1981 | East of Eden | Charles Trask | TV mini-series |
| 1982–1983 | Bring 'Em Back Alive | Frank Buck | |
| 1983–1987 | Scarecrow and Mrs. King | Lee Stetson | 89 episodes |
| 1989 | Judith Krantz's Till We Meet Again | Jock Hampton | TV mini-series |
| 1991 | Tales from the Crypt | Winton Robbins | |
| 1994–1998 | Babylon 5 | Capt. John J. Sheridan | 88 episodes Nominated — Saturn Award for Best TV Actor |
| 1998 | Touched by an Angel | Scott Tanner | |
| 2003 | She Spies | The Chairman | |
| 2005 | Commander in Chief | Tucker Bayes | |
| 2005 | Young Blades | Captain Martin Duvall | 13 episodes |
| 2006 | American Dad! | Himself | |
| 2008–2009 | Chuck | Dr. Woody Woodcomb | |
| 2008–2009 | Heroes | Robert Malden | |
| 2011 | CHAOS | Ray Bishop | episode "Glory Days" on June 25, 2011 |
| 2011 | Love's Everlasting Courage | Lloyd Davis | |
| 2012 | Tron: Uprising | Tron |
Read more about this topic: Bruce Boxleitner