| Movie | 1981 | The Fox and the Hound | Porcupine (voice) | |
| Movie | 1968 | The Odd Couple | Vinnie | |
| Movie | 2001 | Mickey's House of Villains | Piglet (voice) | |
| Movie | 1973 | Robin Hood | Father Sexton (voice) (uncredited) | |
| Movie | 1983 | Winnie the Pooh and a Day for Eeyore | Piglet (voice) | |
| Movie | 1996 | Boo to You Too! Winnie the Pooh | Piglet (voice) | |
| Movie | 1999 | Winnie the Pooh: Frankenpooh | Piglet (voice) | |
| Movie | 2000 | Winnie the Pooh: Spookable Pooh | Piglet (voice) | |
| Movie | 2000 | Winnie the Pooh: Spookable Fun | Piglet (voice) | |
| Movie | 2005 | Kronk's New Groove | Rudy (voice) | |
| Movie | 2005 | Pooh's Heffalump Movie | Piglet (voice) | |
| Movie | 2002 | Winnie the Pooh: A Very Merry Pooh Year | Piglet (voice) | |
| Movie | 1972 | Deathmaster | Pop | |
| Movie | 1981 | Sharky's Machine | Barrett | |
| Movie | 2005 | Pooh's Heffalump Halloween Movie | Piglet (voice) | |
| Movie | 1997 | Pooh's Grand Adventure: The Search for Christopher Robin | Piglet (voice) | |
| Movie | 1976 | The Shaggy D.A. | Howie Clemmings | |
| Movie | 2004 | Winnie the Pooh: Springtime with Roo | Piglet (voice) | |
| Movie | 1969 | True Grit | Lawyer Daggett | |
| Movie | 1980 | Midnight Madness | Wally Thorpe | |
| Movie | 1975 | The Fortune | Photographer | |
| Movie | 1969 | Rascal | Cy Jenkins | |
| Movie | 1974 | Winnie the Pooh and Tigger Too | Piglet (voice) | |
| Movie | 1973 | Double Indemnity | Jackson | |
| Movie | 1974 | Bad Ronald | Mr. Roscoe | |
| Movie | 1964 | Guns of Diablo | Ives | |
| Movie | 1986 | Seize the Day | Carl | |
| Movie | 1959 | That Kind of Woman | Soldier (uncredited) | |
| Movie | 1958 | Stage Struck | Adrian | |
| Movie | 1968 | The Ballad of Josie | Simpson | |
| Movie | 1975 | Who Is the Black Dahlia? | PX Manager | |
| Movie | 1978 | Human Feelings | Lester | |
| Movie | 1958 | All the King's Men | | |
| Movie | 1971 | Making It | Ames | |
| Movie | 1977 | The Many Adventures of Winnie the Pooh | Piglet (voice) | |
| Movie | 1971 | Hitched | Henry | |
| Movie | 2003 | Piglet's Big Movie | Piglet (voice) | |
| Movie | 1970 | Suppose They Gave a War and Nobody Came? | Maj. Purvis | |
| Movie | 1964 | The World of Henry Orient | Sidney | |
| Movie | 1976 | Woman of the Year | Justice of the Peace | |
| Movie | 2001 | The Book of Pooh: Stories from the Heart | Piglet | |
| Movie | 1962 | That Touch of Mink | Mr. Smith | |
| Movie | 1971 | Cannon | Jake | |
| Movie | 1967 | Fitzwilly | Mr. Morton Dunne | |
| Movie | 1957 | Sweet Smell of Success | Hot Dog Stand Counterman (uncredited) | |
| Movie | 1973 | Shadow House | Lou | |
| Movie | 1968 | Winnie the Pooh and the Blustery Day | Piglet (voice) | |
| Movie | 1964 | Kiss Me, Stupid | Rev. Carruthers | |
| Movie | 1999 | Winnie the Pooh: A Valentine for You | Piglet (voice) | |
| Movie | 1998 | A Winnie the Pooh Thanksgiving | Piglet (voice) | |
| Movie | 2000 | The Tigger Movie | Piglet (voice) | |
| Movie | 1961 | A Raisin in the Sun | Mark Lindner | |
| Movie | 1981 | Joe Dancer II: The Monkey Mission | Jimmy Papadopulous | |
| Movie | 1991 | Winnie the Pooh & Christmas Too | Piglet (voice) | |
| Movie | 1994 | Winnie the Pooh Playtime: Cowboy Pooh | Piglet (voice) | |
| Movie | 1978 | Harper Valley P.T.A. | Bobby Taylor | |
| Movie | 1981 | The Cannonball Run | Desk Clerk | |
| Movie | 1985 | Stephen King's Golden Tales | Arthur | |
| Movie | 2001 | The Book of Pooh: Fun with Friends | Piglet (voice) | |
| Movie | 1977 | The Rescuers | Owl (voice) | |
| Movie | 1966 | A Fine Madness | Daniel K. Papp | |
| Movie | 1982 | Savannah Smiles | Grocery clerk | |
| Movie | 1965 | Girl Happy | Mr. Penchill | |
| Movie | 1989 | A Raisin in the Sun | Karl Lindner | |
| Movie | 1973 | The Mystery in Dracula's Castle | Bill Wasdahl | |
| Movie | 1999 | Winnie the Pooh: Seasons of Giving | Piglet (voice) | |
| Movie | 1971 | A Tattered Web | Sam Jeffers | |
| Movie | 1957 | 12 Angry Men | Juror 2 | |
| Movie | 1981 | Winnie the Pooh Discovers the Seasons | Piglet (voice) | |
| Movie | 2000 | The Emperor's New Groove | Additional Voices (voice) | |
| Movie | 2003 | The Magical World of Winnie the Pooh: A Great Day of Discovery | Piglet | |
| Movie | 1969 | The Great Bank Robbery | Brother Dismas Ostracorn - Explosives | |
| Movie | 1974 | The Whiz Kid and the Mystery at Riverton | Charles Blackburn | |
| TV Show | 1986 | L.A. Law | Francis Pencava | 1 |
| TV Show | 1976 | Alice | | 2 |
| TV Show | 1982 | Cheers | Fred | 1 |
| TV Show | 1966 | Star Trek | Hengist | 1 |
| TV Show | 1979 | B. J. and the Bear | | 1 |
| TV Show | 2001 | The Book of Pooh | Piglet (voice) | 106 |
| TV Show | 1977 | Tabitha | | 1 |
| TV Show | 1963 | The Great Adventure | Philip Arnold | 1 |
| TV Show | 1970 | The Odd Couple | Mr. Duke | 1 |
| TV Show | 1985 | The Golden Girls | Eddie | 1 |
| TV Show | 1964 | The Munsters | Warren Bloom - Mailman | 1 |
| TV Show | 1966 | That Girl | | 1 |
| TV Show | 1972 | The Bob Newhart Show | Mr. Emil Peterson | 17 |
| TV Show | 1988 | The New Adventures of Winnie the Pooh | Piglet (voice) | 82 |
| TV Show | 2001 | Disney's House of Mouse | Piglet (voice) | 3 |
| TV Show | 1972 | The Streets of San Francisco | Mr. Winkler | 1 |
| TV Show | 1963 | My Favorite Martian | Professor Jennings | 1 |
| TV Show | 1979 | The Ropers | | 1 |
| TV Show | 1977 | Three's Company | Morris Morris | 1 |
| TV Show | 1955 | Gunsmoke | Fitch | 1 |
| TV Show | 1957 | Perry Mason | Howard Stark | 1 |
| TV Show | 1948 | Studio One | | 1 |
| TV Show | 1964 | Bewitched | Fergus F. Finglehoff | 6 |
| TV Show | 1971 | Cannon | | 1 |
| TV Show | 1951 | Hallmark Hall of Fame | Vollenhoven | 1 |
| TV Show | 1959 | The Twilight Zone | Mr. Dundee | 1 |
| TV Show | 1974 | Kolchak: The Night Stalker | Gordon Spangler | 3 |
| TV Show | 1960 | The Tall Man | Abner Moody | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Leon Gorwald | 1 |
| TV Show | 1961 | 87th Precinct | Cole | 1 |
| TV Show | 1960 | Outlaws | | 1 |
| TV Show | 1966 | Felony Squad | | 1 |
| TV Show | 1971 | McMillan & Wife | Simpson | 2 |
| TV Show | 1978 | Vega$ | | 1 |
| TV Show | 1983 | Buffalo Bill | Woody | 26 |
| TV Show | 1959 | Dennis the Menace | Mr. Clute | 1 |
| TV Show | 1972 | Temperatures Rising | | 1 |
| TV Show | 1957 | Have Gun, Will Travel | James Turner | 1 |
| TV Show | 1973 | Police Story | | 1 |
| TV Show | 1963 | The Fugitive | Sam Reed | 1 |
| TV Show | 1968 | The Doris Day Show | Harvey Krantz | 1 |
| TV Show | 1975 | Switch | Harry Winkler | 1 |
| TV Show | 1960 | Thriller | Herbert Bleake | 1 |
| TV Show | 1958 | Peter Gunn | | 1 |
| TV Show | 1960 | The Aquanauts | Mr. Jacobs | 1 |
| TV Show | 1972 | Banyon | Trumbull | 1 |
| TV Show | 1959 | Adventures in Paradise | Mr. Groper | 1 |
| TV Show | 1960 | Pete and Gladys | | 1 |
| TV Show | 1958 | The Donna Reed Show | Fred Johnson | 1 |
| TV Show | 1990 | They Came from Outer Space | Mr. Peterson | 1 |
| TV Show | 1967 | Captain Nice | Gunnar | 1 |
| TV Show | 1964 | The Baileys of Balboa | | 1 |
| TV Show | 1961 | The New Breed | Perkins | 1 |
| TV Show | 1974 | The Manhunter | | 1 |
| TV Show | 1963 | Vacation Playhouse | Argey Tanner | 1 |
| TV Show | 1978 | Flying High | | 1 |
| TV Show | 1961 | Dr. Kildare | Father Hughes | 1 |
| TV Show | 1984 | Tales from the Darkside | Arthur the hotel manager | 1 |
| TV Show | 1985 | Amazing Stories | Man on Boat | 1 |
| TV Show | 1961 | Dr. Kildare | D.V. Dromley | 1 |
| TV Show | 1961 | Dr. Kildare | Mr. Calhoun | 1 |
| TV Show | 1959 | Adventures in Paradise | Professor Henry Hoag | 1 |
| TV Show | 1955 | Gunsmoke | Odem Ballou | 1 |
| TV Show | 1969 | The Courtship of Eddie's Father | The Mild Man | 1 |
| TV Show | 1971 | Columbo | Doctor | 1 |
| TV Show | 1948 | Studio One | Jouvin | 1 |
| TV Show | 1955 | Alfred Hitchcock Presents | Amos | 1 |
| TV Show | 1974 | The Rockford Files | James Bond | 1 |
| TV Show | 1979 | Hart to Hart | Arnold | 2 |
| TV Show | 1976 | Quincy, M.E. | Howard Clausen | 1 |
| TV Show | 1976 | Quincy, M.E. | Mr. Weiss | 1 |
| TV Show | 1965 | Get Smart | Felix | 1 |
| TV Show | 1965 | Please Don't Eat the Daisies | Arlie Draper | 1 |
| TV Show | 1965 | Get Smart | Mr. Hercules | 1 |
| TV Show | 1964 | Broadside | The Yardbird | 1 |
| TV Show | 1963 | Bob Hope Presents the Chrysler Theatre | Aleshka | 1 |
| TV Show | 1963 | Arrest and Trial | Harry Simon | 1 |
| TV Show | 1960 | Peter Loves Mary | Clerk | 1 |
| TV Show | 1959 | The Twilight Zone | Field Rep #3 | 1 |
| TV Show | 1959 | The Many Loves of Dobie Gillis | Corporal Grover P. Wister | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Charles Blackburn | 2 |
| TV Show | 1959 | The Many Loves of Dobie Gillis | Mr. Wurts | 1 |
| TV Show | 1959 | The Many Loves of Dobie Gillis | Mr. Bean | 1 |
| TV Show | 1959 | Bonanza | Claude Miller | 1 |
| TV Show | 1959 | The Many Loves of Dobie Gillis | George G. Cheever | 1 |
| TV Show | 1954 | The Wonderful World of Disney | Bill Wasdahl | 2 |
| TV Show | 1954 | The Wonderful World of Disney | (segment "Winnie the Pooh and Tigger Too") (voice) | 1 |
| TV Show | 1987 | The Days and Nights of Molly Dodd | Norman Fuller | 1 |
| TV Show | 1972 | Banacek | Paddle | 1 |
| TV Show | 1970 | The Odd Couple | Hugo | 1 |
| TV Show | 1997 | George & Leo | | 1 |
| TV Show | 1962 | The Alfred Hitchcock Hour | Malcolm Stuart | 1 |
| TV Show | 1971 | Great Performances | Taylor | 1 |
| TV Show | 1978 | Fantasy Island | Mortimer Fox | 1 |
