| Year |
Film |
Role |
Notes |
| 1966 |
Mission: Impossible |
Tosk |
Episode: "Old Man Out" |
| 1967 |
Iron Horse |
Dan Patrick |
Episode: "Death by Triangulation" |
| 1967–1968 |
The Second Hundred Years |
Luke/Ken Carpenter |
Lead role |
| 1968 |
The F.B.I. |
Thomas Waters |
Episode: "The Intermediary" |
| 1969 |
Here Come the Brides |
Bass |
Episode: "The Firemaker" |
| Mod Squad |
Billy Kilgore |
Episode: "Fear Is the Bucking Horse" |
| My Friend Tony |
|
Episode: "Welcome Home, Jerry Stanley" |
| 1969–1970 |
Mr. Deeds Goes to Town |
Longfellow Deeds |
Recurring role |
| 1970 |
Bracken's World |
Ray Wiley |
Episode: "A Perfect Piece of Casting" |
| The Virginian |
Boss Cooper |
Episode: "Gun Quest" |
| The High Chaparral |
Dave Redman |
Episode: "Too Late the Epitaph" |
| Hogan's Heroes |
Captain James Martin |
Episode: "Eight O'Clock and All Is Well" |
| The Young Rebels |
William Billings |
Episode: "Valley of the Guns" |
| The Bold Ones: The Lawyers |
Nick Chapman |
Episode: "The People Against Doctor Chapman" |
| Love, American Style |
Steve |
Segment: "Love and Those Poor Crusaders' Wives" |
| Andy |
Segment: "Love and the Pen Pals" |
| The F.B.I. |
Arthur McBride |
Episode: "The Architect" |
| Hawaii Five-O |
Harry Kellem |
Episode: "The Double Wall" |
| 1971 |
The Mary Tyler Moore Show |
John Corcoran |
Episode: "Just a Lunch" |
| Dan August |
Frank Devlin |
Episode: "Dead Witness to a Killing" |
| The Name of the Game |
Charlie |
Episode: "A Capitol Affair" |
| Alias Smith and Jones |
Jim Stokely |
Episode: "Something to Get Hung About" |
| Love, American Style |
Larry |
Segment: "Love and the Married Bachelor" |
| Funny Face |
|
Episode: "Four Sided Triangle" |
| Sarge |
Tom Flynn |
Episode: "A Bad Case of Monogamy" |
| The F.B.I. |
James Robert Devlin |
Episode: "The Recruiter" |
| Hawaii Five-O |
Jerry Rhodes |
Episode: "Wednesday, Ladies Free" |
| 1972 |
The New Dick Van Dyke Show |
Bill Mitchell |
Episode: "After the Ball Is Over" |
| Medical Center |
Dr. Grainger |
Episode: "The Choice" |
| 1973 |
Hawaii Five-O |
Barry Dean |
Episode: "Here Today... Gone Tonight" |
| 1973–1974 |
The New Perry Mason |
Perry Mason |
Starring role |
| 1974 |
Medical Center |
Scott |
Episode: "Adults Only" |
| The Manhunter |
Keeley Maxwell |
Episode: "The Doomsday Gang" |
| Police Woman |
Joey Marr |
Episode: "The Stalking of Joey Marr" |
| 1974–1975 |
The Six Million Dollar Man |
Barney Miller |
2 episodes |
| 1975 |
Barnaby Jones |
Vince Barrett, Rick Hatfield |
Episode: "Doomed Alibi" |
| Cannon |
Ed Foster 'Condor' |
Episode: "Vengeance" |
| Caribe |
Charles Mayfield |
Episode: "Lady Killer" |
| Ellery Queen |
Tom McKell |
Episode: "Too Many Suspects" |
| Medical Story |
Raphael Aldrich |
Episode: "Woman in White" |
| 1976 |
The Invisible Man |
Pike |
Episode: "Power Play" |
| McNaughton's Daughter |
David Borman |
Episode: "Love Is a Four-Letter Word" |
| Quincy, M.E. |
Harold Fredericks |
Episode: "Who's Who in Neverland" |
| The Quest |
Nelson Story |
Episode: "The Freight Train Rescue" |
| 1977 |
The Hardy Boys/Nancy Drew Mysteries |
Professor Jack Wall |
Episode: "The Mystery of Pirate's Cove" |
| Police Woman |
Bishop |
Episode: "Guns" |
| 1978 |
Lucan |
Steven Demaree |
Episode: "How Do You Run Forever?" |
| What Really Happened to the Class of '65? |
Coach Briggs |
Episode: "Class Renegade" |
| 1979 |
The Littlest Hobo |
Ray Caldwell |
Episode: "Smoke" |
| Trapper John, M.D. |
Beaumont |
Episode: "Love Is a Three-Way Street" |
| A Man Called Sloane |
Jonathan Cambro |
Episode: "The Venus Microbe" |
| 1980 |
Hawaii Five-O |
Jack Ellington |
Episode: "School for Assassins" |
| Eight Is Enough |
Michael Hayes |
Episode: "A Matter of Mentors" |
| The Incredible Hulk |
Colonel Brad |
Episode: "Prometheus: Part II" |
| Disneyland |
Colonel Joe Buxley |
Episode: "The Ghosts of Buxley Hall" |
| Beyond Westworld |
Captain Mike Nicholson |
Episode: "Take-Over" |
| The Love Boat |
Captain Brad Wells |
Episode: "Boomerang/Captain's Triangle/Out of This World" |
| Fantasy Island |
Edmond Dumont |
Episode: "Crescendo/Three Feathers" |
| 1981 |
Dallas |
Clint Ogden |
Recurring role |
| Hart to Hart |
Robert Carney |
Episode: "What Becomes a Murder Most?" |
| 1982 |
The Fall Guy |
Ryker |
Episode: "License to Kill" |
| Today's FBI |
Dr. London |
Episode: "Serpent in the Garden" |
| Bret Maverick |
Captain Dawkins |
Episode: "The Vulture Also Rises" |
| Matt Houston |
Richard Hoyt |
Episode: "Joey's Here" |
| Jack Holborn |
Trumpet |
Miniseries |
| Fantasy Island |
Walter Lukas |
Episode: "The Magic Camera/Mata Hari/Valerie" |
| Ron Martin |
Episode: "Face of Love/Image of Celeste" |
| 1983 |
Simon & Simon |
Professor Altman |
Episode: "Psyched Out" |
| The Love Boat |
Joe Costello |
Episode: "The Captain's Crush/Out of My Hair/Off-Course Romance" |
| Fantasy Island |
Dr. Mark Reed |
Episode: "Nurses Night Out" |
| Hotel |
Daniel Brunell |
Episode: "Designs" |
| 1984 |
The A-Team |
Lt. Mason Harnett |
Episode: "Say It with Bullets" |
| The Master |
CIA Head |
Episode: "Hostages" |
| Finder of Lost Loves |
Galen Smith |
Episode: "Maxwell Ltd: Finder of Lose Loves Pilot" |
| Rituals |
Carter Robertson |
Recurring role |
| 1986 |
Blacke's Magic |
Douglas Shayne |
Episode: "Death Goes to the Movies" |
| Murder, She Wrote |
Ned Olson |
Episode: "If a Body Meet a Body" |
| 1987 |
Hotel |
John Granger |
Episode: "Glass People" |
| Murder, She Wrote |
Inspector Donald Matheney |
Episode: "Doom with a View" |
| 1988 |
1st & Ten |
Charles |
Episode: "The Bulls Own Up" |
| The Golden Girls |
Clayton Hollingsworth |
2 Episodes: "Scared Straight" and "Sister of the Bride" |
| 1989 |
1st & Ten |
Medford |
Episode: "Duty Calls" |
|
1989–1992 |
Baywatch |
Captain Don Thorpe |
Recurring role |
| 1991 |
Murder, She Wrote |
Andrew Gant |
Episode: "Family Doctor" |
| 1993 |
Jimmy Haynes |
Episode: "The Survivor" |
| 1994 |
Melrose Place |
John Parker |
Recurring role |
| 1994-1995 |
Grace Under Fire |
Travis Taylor |
2 episodes |
| Biography |
Narrator |
Recurring role |
| 1995 |
Burke's Law |
Philip D'Arcy |
Episode: "Who Killed the Sweet Smell of Success?" |
| 1995-1996 |
Campus Cops |
Dean Pilkington |
Recurring role |
| 1996 |
Star Trek: Deep Space Nine |
Fullerton |
Episode: "Let He Who Is Without Sin..." |
| 1996–2005 |
The Great Ships |
Narrator |
Recurring Role |
| 1998 |
Diagnosis: Murder |
Sheriff Kelso |
Episode: "Dead in the Water" |
| 1999 |
Honey, I Shrunk the Kids: The TV Show |
William Tecumseh Jennings |
2 episodes |
| 2001 |
Fly Past |
Narrator |
Miniseries |
| 2009 |
Cold Case |
Glenn Drew '09 |
Episode: "The Brush Man" |
| 2011 |
Extraordinary Fidelity |
Narrator |
Documentary |
| Fringe |
Dr. Blake West |
Episode: "Wallflower" |
| 2012 |
Leland Spivey |
Episode: "The End of All Things" |
| Leverage |
Dr. Everett Udall |
Episode: "The Rundown Job" |
| 2015 |
The PET Squad Files |
Kerry Ling |
Episode: "Welcome to F***ing Hollywood" |