 | What's My Line? Episode Guest (of the guests) | 03/16/1958 |
| Shirley Temple Theatre The Little Mermaid Sting Ray | 03/05/1961 |
| Adventures in Paradise A Bride for the Captain Frank Hoag | 03/11/1962 |
| Wide Country The Girl in the Sunshine Smile Arthur Callan | 11/15/1962 |
 | My Favorite Martian My Favorite Martin Uncle Martin | 09/29/1963 |
| My Favorite Martian The Matchmakers Uncle Martin | 10/06/1963 |
| My Favorite Martian There Is No Cure for the Common Martian Uncle Martin | 10/13/1963 |
| My Favorite Martian Russians R in Season Uncle Martin | 10/20/1963 |
| My Favorite Martian Man or Amoeba Uncle Martin | 10/27/1963 |
 | My Favorite Martian The Man on the Couch Uncle Martin | 11/03/1963 |
 | My Favorite Martian A Loaf of Bread, a Jug of Wine, and Peaches Uncle Martin | 11/10/1963 |
| My Favorite Martian The Awful Truth Uncle Martin | 11/17/1963 |
| My Favorite Martian Rocket to Mars Uncle Martin | 12/01/1963 |
| My Favorite Martian Raffles No. 2 Uncle Martin | 12/08/1963 |
| My Favorite Martian The Atom Misers Uncle Martin | 12/15/1963 |
| My Favorite Martian That Little Old Matchmaker, Martin Uncle Martin | 12/22/1963 |
| My Favorite Martian How to Be a Hero Without Really Trying Uncle Martin | 12/29/1963 |
| My Favorite Martian Blood Is Thicker Than the Martian Uncle Martin | 01/05/1964 |
 | My Favorite Martian Poor Little Rich Cat Uncle Martin | 01/12/1964 |
| My Favorite Martian RX for a Martian Uncle Martin | 01/19/1964 |
| My Favorite Martian Going, Going, Gone Uncle Martin | 02/02/1964 |
| My Favorite Martian Who Am I? Uncle Martin | 02/09/1964 |
| My Favorite Martian Now You See It, Now You Don't Uncle Martin | 02/16/1964 |
| My Favorite Martian My Nephew the Artist Uncle Martin | 02/23/1964 |
 | My Favorite Martian Hitch-Hiker to Mars Uncle Martin | 03/01/1964 |
| My Favorite Martian Uncle Martin's Broadcast Uncle Martin | 03/08/1964 |
| My Favorite Martian An Old, Old Friend of the Family Uncle Martin | 03/15/1964 |
| My Favorite Martian Super Dooper Snooper Uncle Martin | 03/22/1964 |
| My Favorite Martian The Sinkable Mrs. Brown Uncle Martin | 04/05/1964 |
| My Favorite Martian Martin and the Eternal Triangle Uncle Martin | 04/12/1964 |
| My Favorite Martian Danger! High Voltage Uncle Martin | 04/19/1964 |
| My Favorite Martian If You Can't Lick 'Em Uncle Martin | 04/26/1964 |
 | My Favorite Martian Unidentified Flying Uncle Martin Uncle Martin | 05/03/1964 |
 | My Favorite Martian How You Gonna Keep Them Down on the Pharmacy? Uncle Martin | 05/10/1964 |
| My Favorite Martian Miss Jekyll and Hyde Uncle Martin | 05/17/1964 |
| My Favorite Martian Who's Got the Power? Uncle Martin | 05/24/1964 |
| My Favorite Martian Oh, My Aching Antenna Uncle Martin | 05/31/1964 |
| My Favorite Martian The Disastro-Nauts Uncle Martin | 06/07/1964 |
| My Favorite Martian Shake Well and Don't Use Uncle Martin | 06/14/1964 |
| My Favorite Martian A Nose for News Uncle Martin | 06/21/1964 |
| My Favorite Martian Uncle Martin's Wisdom Tooth Uncle Martin | 06/28/1964 |
| My Favorite Martian Dreaming Can Make It So Uncle Martin | 09/27/1964 |
| My Favorite Martian The Memory Pill Uncle Martin | 10/04/1964 |
| My Favorite Martian Three to Make Ready Uncle Martin | 10/11/1964 |
| My Favorite Martian Nothing But the Truth Uncle Martin | 10/18/1964 |
| My Favorite Martian Dial M for Martin Uncle Martin | 10/25/1964 |
| My Favorite Martian Extra! Extra! Sensory Perception! Uncle Martin | 11/01/1964 |
| My Favorite Martian My Uncle the Folk Singer Uncle Martin | 11/08/1964 |
| My Favorite Martian The Great Brain Robbery Uncle Martin | 11/15/1964 |
| My Favorite Martian Double Trouble Uncle Martin | 11/22/1964 |
| My Favorite Martian Has Anybody Seen My Electro-Magnetic Neutron Converting Gravitator? Uncle Martin | 11/29/1964 |
| My Favorite Martian Don't Rain on My Parade Uncle Martin | 12/06/1964 |
| My Favorite Martian Night Life of Uncle Martin Uncle Martin | 12/13/1964 |
| My Favorite Martian To Make a Rabbit Stew, First Catch a Martian Uncle Martin | 12/20/1964 |
| My Favorite Martian Won't You Come Home, Uncle Martin, Won't You Come Home? Uncle Martin | 12/27/1964 |
| My Favorite Martian The Case of the Missing Sleuth Uncle Martin | 01/03/1965 |
| My Favorite Martian How Are Things in Glocca, Martin? Uncle Martin | 01/10/1965 |
| My Favorite Martian Gesundheit, Uncle Martin Uncle Martin | 01/24/1965 |
| My Favorite Martian Martian Report #1 Uncle Martin | 01/31/1965 |
| My Favorite Martian Uncle Martin and the Identified Flying Object Uncle Martin | 02/07/1965 |
| My Favorite Martian A Martian Fiddles Around Uncle Martin | 02/14/1965 |
| My Favorite Martian Humbug, Mrs. Brown Uncle Martin | 02/21/1965 |
| My Favorite Martian Crash Diet Uncle Martin | 02/28/1965 |
| My Favorite Martian Gone But Not Forgotten Uncle Martin | 03/07/1965 |
| My Favorite Martian Stop, or I'll Steam Uncle Martin | 03/14/1965 |
| My Favorite Martian The Magnetic Personality and Who Needs It Uncle Martin | 03/21/1965 |
| My Favorite Martian We Love You, Miss Pringle Uncle Martin | 03/28/1965 |
| My Favorite Martian Uncle Baby Uncle Martin | 04/04/1965 |
| My Favorite Martian Once Upon a Martian Mother's Day Uncle Martin | 04/11/1965 |
| My Favorite Martian Uncle Martin's Bedtime Story Uncle Martin | 04/25/1965 |
| My Favorite Martian 006 3/4 Uncle Martin | 05/02/1965 |
| My Favorite Martian Never Trust a Naked Martian Uncle Martin | 05/09/1965 |
| My Favorite Martian Martin's Favorite Martin Uncle Martin | 05/16/1965 |
| My Favorite Martian The Martian's Fair Hobo Uncle Martin | 05/23/1965 |
| My Favorite Martian A Martian Sonata in Mrs. B's Flat Uncle Martin | 05/30/1965 |
| My Favorite Martian The Green-Eyed Martian Uncle Martin | 06/06/1965 |
| My Favorite Martian El SeƱor from Mars Uncle Martin | 06/13/1965 |
| My Favorite Martian Time Out for Martin Uncle Martin | 06/20/1965 |
| My Favorite Martian Portrait in Brown Uncle Martin | 06/27/1965 |
| My Favorite Martian Go West, Young Martian: Part 1 Uncle Martin | 09/12/1965 |
| My Favorite Martian Go West, Young Martian: Part 2 Uncle Martin | 09/19/1965 |
| My Favorite Martian Martin of the Movies Uncle Martin | 09/26/1965 |
| My Favorite Martian Keep Me from the Church on Time Uncle Martin | 10/03/1965 |
| My Favorite Martian I'd Rather Fight Than Switch Uncle Martin | 10/10/1965 |
| My Favorite Martian Tim, the Mastermind Uncle Martin | 10/17/1965 |
| My Favorite Martian Martin Goldfinger Uncle Martin | 10/24/1965 |
| My Favorite Martian Bottled Martian Uncle Martin | 10/31/1965 |
| My Favorite Martian Hate Me a Little Uncle Martin | 11/07/1965 |
| My Favorite Martian The Girl in the Flying Machine Uncle Martin | 11/14/1965 |
| My Favorite Martian The Time Machine Is Waking Up That Old Gang of Mine Uncle Martin | 11/21/1965 |
| My Favorite Martian Avenue C Mob Uncle Martin | 11/28/1965 |
| My Favorite Martian Tim and Tim Again Uncle Martin | 12/05/1965 |
| My Favorite Martian Loralei Brown vs. Everybody Uncle Martin | 12/12/1965 |
| My Favorite Martian The O'Hara Caper Uncle Martin | 12/19/1965 |
| My Favorite Martian Who's Got a Secret? Uncle Martin | 12/26/1965 |
| My Favorite Martian Heir Today, Gone Tomorrow Uncle Martin | 01/02/1966 |
| My Favorite Martian Martin's Revoltin' Development Uncle Martin | 01/16/1966 |
| My Favorite Martian TV or Not TV Uncle Martin | 01/23/1966 |
| My Favorite Martian The Man from Uncle Martin Uncle Martin | 01/30/1966 |
| My Favorite Martian Martin, the Mannequin Uncle Martin | 02/06/1966 |
| My Favorite Martian Butterball Uncle Martin | 02/13/1966 |
| My Favorite Martian When a Martian Makes His Violin Cry Uncle Martin | 02/20/1966 |
| My Favorite Martian When You Get Back to Mars, Are You Going to Get It Uncle Martin | 02/27/1966 |
| My Favorite Martian Doggone Martian Uncle Martin | 03/06/1966 |
| My Favorite Martian Virus M for Martian Uncle Martin | 03/13/1966 |
| My Favorite Martian Our Notorious Landlady Uncle Martin | 03/20/1966 |
| My Favorite Martian Martin Meets His Match Uncle Martin | 03/27/1966 |
| My Favorite Martian Horse and Buggy Martin Uncle Martin | 04/03/1966 |
| My Favorite Martian Stop the Presses, I Want to Get Off Uncle Martin | 04/17/1966 |
| My Favorite Martian My Nut Cup Runneth Over Uncle Martin | 04/24/1966 |
| My Favorite Martian Pay the Man the $24 Uncle Martin | 05/01/1966 |
| Wild Wild West The Night of Montezuma's Hordes Prof. Henry Johnson | 10/27/1967 |
| My World and Welcome to It The War Between Men and Women J.J. Howard | 12/22/1969 |
| My World and Welcome to It The Mating Dance Special Guest Star | 12/29/1969 |
| Ironside Ring of Prayer Walter Butler | 10/12/1971 |
 | Mission: Impossible TOD-5 Dr. Victor Flory | 10/14/1972 |
| Ellery Queen The Adventure of Auld Lang Syne Howard Pratt | 09/11/1975 |
| Incredible Hulk My Favorite Magician Jasper Dowd | 10/26/1979 |
| Simon and Simon Murder Between the Lines Rockwell Stark | 01/06/1983 |
| Simon and Simon Walk a Mile in My Hat Al Ranfield - Real-estate Magnate | 12/12/1985 |
| Simon and Simon For Old Crime's Sake Danny 'The Milwaukee Kid' Chesney | 01/15/1987 |
| St. Elsewhere Getting Ahead Dr. Arrowsmith | 01/28/1987 |
| Murder, She Wrote The Way to Dusty Death Q. L. Frubson | 10/25/1987 |
| Smurfs The Lost Smurf Additional Voices (voice) | 09/10/1988 |
| Star Trek: The Next Generation The First Duty Boothby | 03/28/1992 |
| Picket Fences Pilot Judge Henry Bone | 09/18/1992 |
| Picket Fences Supreme Courting Judge Henry Bone | 02/04/1994 |
| Stand The Dreams Glen Bateman | 05/09/1994 |
| Stand The Betrayal Glen Bateman | 05/11/1994 |
| Stand The Stand Glen Bateman | 05/12/1994 |
 | ALF Project: ALF Motel Manager | 02/17/1996 |
| 7th Heaven And the Home of the Brave Millard Holmes | 11/02/1998 |
| Star Trek: Voyager In the Flesh Boothby | 11/04/1998 |
| Star Trek: Voyager The Fight Boothby | 03/24/1999 |
| 7th Heaven One Hundred Sgt. Millard | 01/29/2001 |
"