| Series | Role | Episode | Airdate | 
| The Jack Benny Program |  | 13x13 - The Story of the New Talent Show | December 25, 1962 | 
| The Jack Benny Program | Mr. Harris | 13x23 - Jack Is Kidnapped | March 12, 1963 | 
| 77 Sunset Strip |  | 5x32 - Lady in the Sun | May 17, 1963 | 
| The Jack Benny Program |  | 14x11 - Three Musketeers Sketch | December 10, 1963 | 
| The Beverly Hillbillies | Jerry Best | 3x15 - The Movie Starlet | January 13, 1965 | 
| Ben Casey | Al Banner | 5x06 - What to Her Is Plato? | October 18, 1965 | 
| The Farmer's Daughter |  | 3x10 - High Fashion | November 26, 1965 | 
| The Farmer's Daughter |  | 3x24 - Anyone for Swindling? | March 4, 1966 | 
| The Hero |  | 1x14 - I Have a Friend | December 15, 1966 | 
| The Flying Nun | Dr. Paredes | 2x04 - The Return of Father Lundigan | October 17, 1968 | 
| Bewitched | Dr. Chomsky | 5x26 - Samantha Twitches for UNICEF | March 27, 1969 | 
| Bewitched | A.J. Sylvester | 6x08 - A Bunny for Tabitha | November 6, 1969 | 
| Bewitched | Apothecary | 6x09 - Samantha's Secret Spell | November 13, 1969 | 
| Bewitched | Apothecary | 6x16 - Samantha's Lost Weekend | January 8, 1970 | 
| Bewitched | Dr. Rhinestone | 6x18 - Samantha's Secret Is Discovered | January 22, 1970 | 
| The Doris Day Show | Major | 2x22 - A Woman's Intuition | March 9, 1970 | 
| Bewitched | Baron | 8x03 - Samantha and the Loch Ness Monster | September 29, 1971 | 
| Bewitched | Apothecary | 8x09 - A Plague on Maurice and Samantha | November 10, 1971 | 
| Bewitched | Alonzo | 8x11 - The Warlock in the Gray Flannel Suit | December 1, 1971 | 
| Ironside | George Packer | 5x16 - Unreasonable Facsimile | January 6, 1972 | 
| Bewitched | Apothecary | 8x25 - Samantha's Witchcraft Blows a Fuse | March 18, 1972 | 
| The Bob Newhart Show | Dr. Fred Arnold | 1x11 - I Want to Be Alone | December 2, 1972 | 
| Room 222 |  | 4x13 - Mr. Wrong | December 8, 1972 | 
| Harry O |  | 1x15 - For the Love of Money | January 16, 1974 | 
| The Streets of San Francisco | Arthur Ganz | 3x04 - Mask of Death | October 3, 1974 | 
| McMillan & Wife | "Bernini Mussolino" | 4x04 - Guilt by Association | December 8, 1974 | 
| The Mary Tyler Moore Show | Tony | 5x23 - Ted Baxter's Famous Broadcasters' School | February 22, 1975 | 
| Chico and the Man | Harry Stern | 2x22 - The Face Job | March 3, 1976 | 
| Alice | Burt | 1x17 - The Failure | January 29, 1977 | 
| Supertrain | Dr. Marshall Fossberg | 1x05 - Pirouette | March 7, 1979 | 
| Charlie's Angels | Dr. Adam Bricker | 4x01/02 - Love Boat Angels | September 12, 1979 | 
| Hart to Hart | James Parquest | 3x04 - Hartland Express | November 3, 1981 | 
| The Love Boat (credited as Seigfried Von Kapelhoff)
 | Kurt Kleinschmidt | 5x06 - Chef's Special / Beginning Anew / Kleinschmidt | November 7, 1981 | 
| Mickey Spillane's Mike Hammer |  | 3x12 - Elegy for a Tramp | January 28, 1987 | 
| Sledge Hammer! | Vincent Lagarski | 2x09 - Last of the Red Hot Vampires | November 19, 1987 | 
| Civil Wars | Boguslav Martin | 1x04 - A Long, Fat Frontal Presentation | December 11, 1991 | 
| The Fresh Prince of Bel-Air | Doc | 2x18 - Ill Will | February 10, 1992 | 
| Martin | Dr. Adam Bricker | 5x15 - Goin' Overboard (2) | February 13, 1997 | 
| Diagnosis Murder | Dr. Les Franklin | 4x22 - Physician, Murder Thyself | April 24, 1997 | 
| Boy Meets World | Himself | 5x04 - Fraternity Row | October 24, 1997 | 
| Beverly Hills, 90210 | Dr. Beldon | 9x15 - Beheading St. Valentine | February 10, 1999 | 
| Charmed | Coroner | 1x16 - Which Prue Is It, Anyway? | March 3, 1999 | 
| Scrubs | Mr. Moran | 3x08 - My Friend the Doctor | December 4, 2003 |