Filmography
| Year | Film | Role | Notes |
|---|---|---|---|
| 1967 | Dragnet | Paul Whidden | Episode: The Grenade |
| The Virginian | Billy Simmons | Episode: The Deadly Past | |
| Ironside | 2nd Hippie | Episode: The Leaf in the Forest | |
| 1969 | The Trouble with Girls | Princeton | |
| Room 222 | Martin Kaufman | Episode: The Flu | |
| 1970 | The Bold Ones: The Protectors | Private Kelley | Episode: A Thing Not of God |
| Getting Straight | Herbert | ||
| The Young Lawyers | Dan Fulton | Episode: We May Be Better Strangers | |
| The Psychiatrist: God Bless the Children | Teddy, the Student Addict | TV film | |
| 1971 | Matt Lincoln | Christopher | Episode: Christopher |
| Zachariah | Zachariah | ||
| Men at Law | Ron Martin | Episode: Hostage | |
| The Psychiatrist | Randell File | Episode: Ex-Sgt. Randell File, U.S.A. | |
| The Sandpit Generals | Professor | ||
| The Mod Squad | Larry Wheeler | Episode: Survival | |
| A Howling in the Woods | Justin Conway | TV film | |
| 1972 | Something Evil | Ernest Lincoln | TV film |
| Cannon | Larry Bolinger | Episode: A Deadly Quiet Town | |
| The Mary Tyler Moore Show | Matt, Jr. | Episode: You Certainly Are a Big Boy | |
| 1972, 1977 | The Streets of San Francisco | Lindy/Walter J. Young | 2 episodes |
| Hawaii Five-O | Harold/Joey Kalima | 2 episodes | |
| 1975 | All Together Now | Bill Lindsay | TV film |
| Police Woman | Tommy Donlevy | Episode: Glitter with a Bullet | |
| Mr. & Ms. and the Magic Studio Mystery | David | TV film | |
| Wide World Mystery | David | Episode: Mr. & Mrs. and the Bandstand Mystery | |
| 1975–1976 | Harry O | Jack Dawes/Richard Trask | 2 episodes |
| Barnaby Jones | Chris Garrison/Larry Christopher | 2 episodes | |
| 1976 | The Quest: The Longest Drive | Wakely | TV film |
| Barbary Coast | Garrison | Episode: The Dawson Marker | |
| The Rookies | Dr. Richard Komansky | Episode: The Mugging | |
| The Quest | Wakely | 2 episodes | |
| 1976–1980 | Family | Jeff Maitland | 12 episodes |
| 1977 | The Car | John Morris | |
| Corey: For the People | Dan Corey | TV film | |
| Lou Grant | Andrew Martin | Episode: Hostages | |
| What Really Happened to the Class of '65? | Jaik | Episode: The Girl Nobody Knew | |
| The New Adventures of Wonder Woman | Major Dexter | Episode: The Deadly Toys | |
| 1978 | Happily Ever After | Richy | TV film |
| The Boys from Brazil | David Bennett | ||
| 1978–1987 | The Love Boat | George Allison/Jack Forbes/Allan Davis | 4 episodes |
| 1979 | Vega$ | Vance Spilroy | Episode: Best Friends |
| Roots: The Next Generations | Lieutenant Hamilton Ten Eyck | TV mini-series | |
| In Search of Historic Jesus | Jesus | ||
| The French Atlantic Affair | Herb Kleinfeld | TV mini-series | |
| She's Dressed to Kill | Alan Lenz | TV film | |
| 1979, 1984 | Fantasy Island | Johnny Court/Donald King | 2 episodes |
| 1980 | Make Me an Offer | Dr. Max Westcott | TV film |
| The Silent Lovers | Irving Thalberg | TV film | |
| 1981 | Killjoy | Dr. Paul Trenton | TV film |
| Skokie | Herb Lewisohn | TV film | |
| 1982 | Freedom to Speak | William Lloyd Garrison/Patrick Henry/Charles Lindbergh/Rabbi Stephen Wise | TV mini-series |
| Quincy M.E. | Dr. Walter Ross | Episode: Unreasonable Doubt | |
| 1983 | I Take These Men | David Koenig | TV film |
| Trapper John, M.D. | Hank Palmer | Episode: Hear Today, Gone Tomorrow | |
| M.A.D.D.: Mothers Against Drunk Drivers | Steve White | TV film | |
| Daniel | Robert Lewin | ||
| Emerald Point N.A.S. | Lt. Cmdr. Edwards | 3 episodes | |
| 1984 | The Paper Chase | Professor Wendell Peterson | Episode: Judgement Day |
| 1984–1986 | Crazy Like a Fox | Harrison Fox | 19 episodes |
| 1987 | The Two Mrs. Grenvilles | Bratsie Bleeker | TV film |
| Still Crazy Like a Fox | Harrison Fox, Jr. | TV film | |
| Jake and the Fatman | Brent Moore | Episode: Happy Days Are Here Again | |
| Someone to Watch Over Me | Neil Steinhart | ||
| 1988 | Highway to Heaven | Matthew | Episode: Time in a Bottle |
| Hotel | Cliff Phillips | Episode: Aftershocks | |
| Beryl Markham: A Shadow on the Sun | Arthur Kane | TV film | |
| Sam Found Out: A Triple Play | Johnny | TV film | |
| Liberace | Jamie | TV film | |
| Matlock | Carl Benedict/Dr.Douglas Clark | 4 episodes | |
| 1990 | Voices Within: The Lives of Truddi Chase | Norman De Roin | TV mini-series |
| 1991 | Father Dowling Mysteries | Tim | Episode: The Prodigal Son Mystery |
| 1992 | In My Daughter's Name | Ban Worrall | TV film |
| Murder, She Wrote | George Foster | Episode: The Classic Murder | |
| 1993 | Another Stakeout | Thomas Hassrick, Las Vegas District Attorney | |
| The American Clock | Moe Baumler | TV film | |
| Frasier | Phillip Hayson | Episode: The Crucible | |
| Against the Grain | Mr. O’Brien | Episode: E Pluribus Unum | |
| 1994 | RoboCop | Chip Chayken | 4 episodes |
| NYPD Blue | Mr. Bernstein | Episode: Double Abandando | |
| 1994, 1996 | Diagnosis: Murder | Thomas Taylor/Peter Trent | 2 episodes |
| 1994, 1997 | Party of Five | Walter Alcott | 2 episodes |
| 1995 | Lois & Clark: The New Adventures of Superman | Emmet Vale | Episode: Metallo |
| Star Trek: Voyager | John Evansville | Episode: The 37’s | |
| Mercy | Frank Kramer | ||
| 1996 | Norma Jean & Marilyn | Darryl Zanuck | TV film |
| Superman | Peterson | Episode: A Little Piece of Home | |
| Early Edition | Marcus | Episode: The Choice | |
| Kid Cop | Stan Dwerkin | Straight-to-video | |
| 1997 | ER | Dr. Kenner | Episode: Night Shift |
| The Sleepwalker Killing | Dr. Frank Corrigan | TV film | |
| 1998 | The Practice | Judge Joseph Papp | 3 episodes |
| 2000 | Perfect Murder, Perfect Town: JonBenét and the City of Boulder | Rev. Hoverstock | TV film |
| Family Law | Garwicz | Episode: Family Values | |
| 2001 | Boston Public | Judge Joseph Papp | Episode: Chapter Thirteen |
| The West Wing | Sen. Andy Ritter | Episode: 18th and Potomac | |
| Gideon's Crossing | Larry Palmer | Episode: Clinical Enigma | |
| 2001–2002 | Angel | Linwood Murrow | 6 episodes |
| 2002 | Judging Amy | James Pierpoint | Episode: Can They Do That with Vegetables? |
| The District | George Wilson | Episode: Wasteland | |
| She Spies | Senator Thomas Jefferson Mitchell | Episode: First Episode | |
| Red Dragon | Dinner Guest | ||
| The Guardian | Sen. Nathan Caldwell | 4 episodes | |
| 2002, 2004 | Star Trek: Enterprise | Mazarite Captain/Minister Kuvak | 3 episodes |
| 2003 | Without a Trace | Dr. Feldman | Episode: Underground Railroad |
| Kôkaku kidôtai: Stand Alone Complex | Ernest Serano | Episode: Stand Alone Complex | |
| Charmed | Dr. Berenson | Episode: Cat House | |
| 24 | Secretary of State | 2 episodes | |
| The Division | Doctor Bertman | Episode: Diagnosis | |
| 21 Grams | Gynecologist | ||
| The Lyon's Den | Mr. Woodard | Episode: The Other Side of Caution | |
| Strong Medicine | Lyle LaCouer | Episode: Prescriptions | |
| NCIS | CIA Director Bob | Episode: Marine Down | |
| 2004 | Becker | Dickie | Episode: Subway Story |
| The Parkers | Jonathan | Episode: She's Positive | |
| Friends | The Doctor | 2 episodes | |
| 2005 | Amber Frey: Witness for the Prosecution | Mark Geragos | TV film |
| The Closer | Dr. Brown | Episode: Pilot | |
| Jane Doe: The Wrong Face | Phil Raphaelson | TV film | |
| Mrs. Harris | Tarnower's Best Friend | TV film | |
| Barbershop | Nicholas Kane | 3 episodes | |
| Law & Order: Special Victims Unit | Judge Schuyler | Episode: Raw | |
| House M.D. | Dr. Ayersman | Episode: The Mistake | |
| 2006 | Law & Order | Mr. Thurber | Episode: Heart of Darkness |
| Related | Dr. Shapiro | Episode: The Godmother | |
| CSI: Crime Scene Investigation | Judge Crawford | Episode: The Unusual Suspect | |
| Cold Case | Rafe Gray | Episode: Willkommen | |
| Criminal Minds | Hayden Rawlings | Episode: P911 | |
| Shark | Lance Horning | Episode: Russo | |
| Girlfriends | Dr. Wulfberg | 3 episodes | |
| 2006–2007 | Day Break | Barry Colburn | 5 episodes |
| 2007 | Sublime | Dr. Lichterhand | Straight-to-video film |
| Choose Connor | Cary Evor | ||
| Jekyll | Daniel Carew | ||
| 2008 | Seducing Spirits | Dr. Ron Huffman | |
| Sweet Nothing in My Ear | Dr. Flynt | (uncredited) | |
| The Delivery | Lance/The Mad Hatter | ||
| Eli Stone | Damon Smalls | Episode: The Humanitarian | |
| Rome & Jewel | Major Capps | ||
| Dirty Sexy Money | Dr. Zwerling | 3 episodes | |
| 2009 | Supernatural | Charlie | Episode: Criss Angel Is a Douche Bag |
| Brothers & Sisters | Dr. Marc Wilson | Episode: Owning It | |
| Numb3rs | Gene Evans | Episode: Disturbed | |
| Hawthorne | Dr. Lee | Episode: No Guts, No Glory | |
| Greek | Dr. Larsen | 2 episodes | |
| 2009–2010 | The Young and the Restless | Dr. Charles Taylor | 12 episodes |
| 2009-2012 | Desperate Housewives | Principal Hobson | 7 episodes |
| 2011 | Wizards of Waverly Place | Gorog | 4 episodes |
| 2012 | Electric City | Richard "Dick" Jacobs | Web series |
Read more about this topic: John Rubinstein