BN
Known For
Filmography
| 2023 | Once Upon a Studio · as Bernard (voice) (archive Sound) |
| 2018 | Elf: Buddy's Sing and Cheer Along Edition · as Papa Elf |
| 2017 | Young Sheldon (TV Series) · as Professor Proton |
| 2014 | The Librarians (2014) (TV Series) · as Judson |
| 2011 | Five · as Dr. Roth |
| 2011 | Horrible Bosses · as Lou Sherman |
| 2010 | Hot in Cleveland (TV Series) · as Bob Sr. |
| 2008 | |
| 2007 | The Big Bang Theory (TV Series) · as Arthur Jeffries |
| 2006 | The Librarian: Return to King Solomon's Mines · as Judson |
| 2005 | Sit Down Comedy with David Steinberg (TV Series) |
| 2005 | Committed (TV Series) · as Blinky |
| 2005 | This Week (TV Series) |
| 2004 | The Librarian: Quest for the Spear · as Judson |
| 2004 | Desperate Housewives (TV Series) · as Morty Flickman |
| 2003 | Elf · as Papa Elf |
| 2003 | NCIS (TV Series) · as Walter Magnus |
| 2003 | Legally Blonde 2: Red, White & Blonde · as Sid Post |
| 2001 | The Sports Pages · as Doc Waddems |
| 1998 | Rudolph the Red-Nosed Reindeer: The Movie · as Leonard (voice) |
| 1997 | In & Out · as Tom Halliwell |
| 1997 | George & Leo (TV Series) · as George Stoody |
| 1995 | Svengoolie (TV Series) · as Dr. Robert Hartley |
| 1994 | ER (TV Series) · as Ben Hollander |
| 1992 | Bob (TV Series) · as Bob Mckay |
| 1992 | |
| 1991 | The Entertainers · as Todd Wilson |
| 1990 | The Rescuers Down Under · as Bernard (voice) |
| 1989 | The Simpsons (TV Series) · as Bob Newhart (voice) |
| 1988 | Murphy Brown (TV Series) · as Dr. Bob Hartley |
| 1982 | Newhart (TV Series) · as Dick Loudon |
| 1980 | First Family · as President Manfred Link |
| 1980 | Little Miss Marker · as Regret |
| 1980 | Marathon · as Walter Burton |
| 1977 | The Rescuers · as Bernard (voice) |
| 1974 | Thursday's Game · as Marvin Ellison |
| 1972 | The Bob Newhart Show (TV Series) · as Robert Hartley |
| 1972 | The Don Rickles Show (TV Series) · as Brother-In-Law |
| 1971 | Cold Turkey · as Merwin Wren |
| 1970 | Catch-22 · as Maj. Major Major |
| 1970 | On a Clear Day You Can See Forever · as Dr. Mason Hume |
| 1969 | Playboy After Dark (TV Series) |
| 1968 | Hot Millions · as Willard C. Gnatpole |
| 1967 | Captain Nice (TV Series) · as Lloyd Larchmont |
| 1963 | Bob Hope Presents The Chrysler Theatre (TV Series) · as Charles Fenton |
| 1962 | The Alfred Hitchcock Hour (TV Series) · as Gerald Swinney |
| 1962 | Hell Is for Heroes · as Pvt. James E. Driscoll |
| 1960 | Insight (TV Series) · as God |