| Series
| Role
| Episode
| Airdate
|
| Peter Gunn | Danny Holland | 2x04 - The Comic | October 12, 1959
|
| The Twilight Zone | Archibald Beechcroft | 2x27 - The Mind and the Matter | May 12, 1961
|
| General Electric Theater | Stanley | 10x05 - The $200 Parlay | October 15, 1961
|
| The DuPont Show of the Week | | 2x12 - Comedian Backstage | March 10, 1963
|
| Burke's Law (1963) | King Dmitri | 2x03 - Who Killed Cassandra Cass? | September 30, 1964
|
| Bewitched | Brinkman | 1x07 - The Witches Are Out | October 29, 1964
|
| The Man from U.N.C.L.E. | Sheldon Verben | 3x04 - The Super-Colossal Affair | October 7, 1966
|
| The Hero | | 1x12 - The Truth Never Hurts—Much | December 1, 1966
|
| The Girl from U.N.C.L.E. | Dr. Vladimir Toulouse | 1x17 - The Moulin Ruse Affair | January 17, 1967
|
| Rowan & Martin's Laugh-In | Cameo Appearance | 1x12 - Show #12 | April 15, 1968
|
| Rowan & Martin's Laugh-In | Cameo Appearance | 1x13 - Show #13 | April 22, 1968
|
| Rowan & Martin's Laugh-In | Cameo Appearance | 1x14 - Show #14 | April 29, 1968
|
| The Mary Tyler Moore Show | Dr. Walter Udall | 1x04 - Divorce Isn't Everything | October 10, 1970
|
| Police Woman | Eddie Bender | 1x19 - The Company | February 21, 1975
|
| Hotel | Barney | 2x24 - Obsessions | June 26, 1985
|
| Knight Rider | Josh Bevin | 4x11 - Knight Song | December 13, 1985
|
| St. Elsewhere | | 5x15 - Getting Ahead | January 28, 1987
|
| Night Court | Al | 5x14 - I'm OK, You're Catatonic/Schizophrenic | January 21, 1988
|
| MacGyver | Abe Sherman | 7x01 - Honest Abe | September 16, 1991
|
| L.A. Law | Ben Flicker | 7x05 - My Friend Flicker | November 19, 1992
|
| L.A. Law | Ben Flicker | 7x07 - Helter Shelter | December 10, 1992
|
| L.A. Law | Ben Flicker | 7x08 - Christmas Stalking | December 17, 1992
|
| L.A. Law | Ben Flicker | 7x09 - Odor in the Court | January 7, 1993
|
| L.A. Law | Ben Flicker | 7x10 - Spanky and the Art Gang | January 14, 1993
|
| L.A. Law | Ben Flicker | 7x11 - Bare Witness | January 21, 1993
|
| Living Single | Hyman | 3x09 - Baby I'm Back... Again | November 2, 1995
|
| Friends | Mr. Kaplan Jr. | 3x10 - The One Where Rachel Quits | December 12, 1996
|
| Friends | Mr. Kaplan Jr. | 3x11 - The One Where Chandler Can't Remember Which Sister | January 9, 1997
|
| Providence | | 2x22 - Syd in Wonderland | May 12, 2000
|
| Walker, Texas Ranger | | 9x06 - Lazarus (2) | November 11, 2000
|
| Curb Your Enthusiasm | Nat David | 3x06 - The Special Section | October 20, 2002
|
| Curb Your Enthusiasm | Nat David | 3x10 - The Grand Opening | November 17, 2002
|
| The King of Queens | Skitch | 5x22 - Queens'bro Bridge | April 28, 2003
|
| Curb Your Enthusiasm | Nat David | 4x04 - The Weatherman | January 25, 2004
|
| Curb Your Enthusiasm | Nat David | 4x06 - The Car Pool Lane | February 8, 2004
|
| Curb Your Enthusiasm | Nat David | 4x09 - The Survivor | March 7, 2004
|
| Dead Like Me | Theo Heller | 2x04 - The Shallow End | August 15, 2004
|
| The Bernie Mac Show | Himself | 4x08 - Stone Nuts | January 28, 2005
|
| Curb Your Enthusiasm | Nat David | 5x01 - The Larry David Sandwich | September 25, 2005
|
| Curb Your Enthusiasm | Nat David | 5x03 - The Christ Nail | October 9, 2005
|
| Curb Your Enthusiasm | Nat David | 5x04 - Kamikaze Bingo | October 16, 2005
|
| Curb Your Enthusiasm | Nat David | 5x05 - Lewis Needs a Kidney | October 30, 2005
|
| Curb Your Enthusiasm | Nat David | 5x07 - The Seder | November 13, 2005
|
| Curb Your Enthusiasm | Nat David | 5x10 - The End | December 4, 2005
|
| Boston Legal | Judge Robert Sanders | 4x01 - Beauty and the Beast | September 25, 2007
|
| Curb Your Enthusiasm | Nat David | 6x06 - The Rat Dog | October 14, 2007
|
| Pushing Daisies | Gustav Hofer | 2x07 - Robbing Hood | November 26, 2008
|
| CSI: NY | George Savar | 5x22 - Yahrzeit | April 29, 2009
|
