| Movie | 1949 | House of Strangers | Tony Monetti | |
| Movie | 1967 | Wait Until Dark | Sam Hendrix | |
| Movie | 2003 | Batman: Mystery of the Batwoman | Alfred (voice) | |
| Movie | 1991 | Hot Shots! | Wilson | |
| Movie | 1982 | Beyond Witch Mountain | Aristotle | |
| Movie | 1982 | The Avenging | Jacob Anderson | |
| Movie | 1974 | Airport 1975 | Captain Stacy | |
| Movie | 1979 | The Gathering, Part II | Victor Wainwright | |
| Movie | 1993 | Batman: Mask of the Phantasm | Alfred (voice) | |
| Movie | 1957 | Band of Angels | Lt. Ethan Sears | |
| Movie | 1998 | Batman & Mr. Freeze: SubZero | Alfred Pennyworth (voice) | |
| Movie | 1997 | The Batman/Superman Movie: World's Finest | Alfred Pennyworth (voice) | |
| Movie | 1978 | Terror Out of the Sky | David Martin | |
| Movie | 1958 | Too Much, Too Soon | Vincent Bryant | |
| Movie | 1960 | The Crowded Sky | Dale Heath | |
| Movie | 1957 | Bombers B-52 | Col. Jim Herlihy | |
| Movie | 1958 | The Deep Six | Lt. Blanchard | |
| Movie | 1958 | Home Before Dark | Jacob 'Jake' Diamond | |
| Movie | 1958 | Violent Road | George Lawrence | |
| Movie | 1965 | The Reward | Frank Bryant | |
| Movie | 1961 | By Love Possessed | Arthur Winner | |
| Movie | 1975 | Who Is the Black Dahlia? | Sgt. Harry Hansen | |
| Movie | 1961 | A Fever in the Blood | Judge Leland Hoffman | |
| Movie | 1962 | The Chapman Report | Paul Radford | |
| Movie | 1958 | Girl on the Run | Stuart Bailey | |
| Movie | 1983 | Baby Sister | Tom Burroughs | |
| Movie | 2013 | Tales from the Warner Bros. Lot | Self | |
| Movie | 1978 | A Family Upside Down | Mike Long | |
| Movie | 1983 | Charley's Aunt | Colonel Francis Chesney | |
| Movie | 1983 | Shooting Stars | Robert Cluso | |
| Movie | 1999 | Television: The First Fifty Years | Stuart Bailey (archive footage) | |
| Movie | 2004 | Justice League: Starcrossed - The Movie | Alfred (voice) | |
| Movie | 1993 | Jack L. Warner: The Last Mogul | Self - Narrator (voice) | |
| Movie | 1965 | Harlow | William Mansfield | |
| Movie | 1982 | The Tempest | Prospero | |
| Movie | 2002 | Spider-Man: The Ultimate Villain Showdown | Dr. Otto Octavius / Dr. Octopus | |
| Movie | 2002 | Batman: The Animated Series - The Legend Begins | Alfred Pennyworth (voice) (archive footage) | |
| Movie | 1979 | The Best Place to Be | Bill Reardon | |
| Movie | 1969 | Season in Tyrol | Narrator (voice) | |
| Movie | 1998 | Cab to Canada | Vice Chancellor | |
| Movie | 2015 | Richard Glazier: From Broadway to Hollywood | Self | |
| Movie | 1992 | The Last Laugh | Alfred (Voice) | |
| Movie | 1992 | Pretty Poison | Alfred (Voice) | |
| TV Show | 1984 | Murder, She Wrote | Gen. Marcus Havermeyer | 1 |
| TV Show | 1983 | Hardcastle and McCormick | Emmett Parnell | 1 |
| TV Show | 1991 | The Legend of Prince Valiant | King Arthur | 65 |
| TV Show | 1958 | 77 Sunset Strip | Stuart Bailey | 206 |
| TV Show | 1957 | Maverick | Dandy Jim Buckley | 5 |
| TV Show | 1982 | Remington Steele | Daniel Chalmers | 5 |
| TV Show | 1984 | Who's the Boss? | | 1 |
| TV Show | 2000 | Static Shock | Alfred Pennyworth (voice) | 1 |
| TV Show | 1965 | The F.B.I. | Lewis Erskine | 241 |
| TV Show | 1992 | Batman: The Animated Series | Alfred Pennyworth (voice) | 85 |
| TV Show | 1994 | Gargoyles | Mace Malone (voice) | 1 |
| TV Show | 1993 | The Nanny | Theodore Timmons | 1 |
| TV Show | 1997 | 101 Dalmatians: The Series | | 1 |
| TV Show | 1982 | Hotel | | 7 |
| TV Show | 1994 | Babylon 5 | William Edgars | 4 |
| TV Show | 1996 | Superman: The Animated Series | Alfred Pennyworth (voice) | 4 |
| TV Show | 1959 | Hawaiian Eye | Stuart Bailey | 3 |
| TV Show | 1984 | Cover Up | | 1 |
| TV Show | 1984 | Hunter | Clarence Hyland | 1 |
| TV Show | 1959 | Rawhide | Jeff McKeever | 1 |
| TV Show | 1997 | The Visitor | Wayland Scott | 1 |
| TV Show | 1978 | Challenge of the Super Friends | | 32 |
| TV Show | 1958 | Bronco | | 1 |
| TV Show | 1959 | The Alaskans | | 1 |
| TV Show | 1957 | Sugarfoot | Kerrigan the Great | 1 |
| TV Show | 1956 | Conflict | | 2 |
| TV Show | 1954 | Concerning Miss Marlowe | | 259 |
| TV Show | 1990 | Zorro | Don Alejandro de la Vega | 25 |
| TV Show | 1960 | Insight | | 1 |
| TV Show | 1984 | Partners in Crime | Grant Latham | 1 |
| TV Show | 2001 | Justice League | Alfred Pennyworth (voice) | 3 |
| TV Show | 1980 | Scruples | Ellis Ikehorn | 3 |
| TV Show | 1984 | Murder, She Wrote | Richard Thompson Grant | 1 |
| TV Show | 1984 | Murder, She Wrote | Adam Quatrain | 1 |
| TV Show | 1992 | Vicki! | Self | 1 |
| TV Show | 1994 | One West Waikiki | | 1 |
| TV Show | 1997 | The New Batman Adventures | Alfred (voice) | 4 |
| TV Show | 1997 | The New Batman Adventures | Alfred Pennyworth (voice) | 6 |
| TV Show | 1997 | The New Batman Adventures | Alfred Pennyworth / TV Host (voice) | 1 |
| TV Show | 1997 | The New Batman Adventures | Alfred Pennyworth / Business Man (voice) | 1 |
| TV Show | 1977 | The Love Boat | Senator Dan Whitman | 2 |
| TV Show | 1974 | Dinah! | Self | 1 |
| TV Show | 1963 | Bob Hope Presents the Chrysler Theatre | John Ferris | 1 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 3 |
| TV Show | 1961 | The Mike Douglas Show | Self | 4 |
| TV Show | 1954 | The Wonderful World of Disney | Aristotle Bolt | 1 |
| TV Show | 1955 | The Phil Silvers Show | Musician (uncredited) | 1 |
| TV Show | 1994 | Iron Man | Justin Hammer (voice) | 3 |
| TV Show | 1994 | Spider-Man | Otto Octavius / Doctor Octopus (voice) | 1 |
| TV Show | 1994 | Spider-Man | Doctor Octopus (voice) | 11 |
| TV Show | 1994 | Burke's Law | Sam Gallagher | 1 |
| TV Show | 1984 | Finder of Lost Loves | Alex Hale | 1 |
| TV Show | 1982 | Hotel | Charles Cabot | 2 |
| TV Show | 1962 | The Alfred Hitchcock Hour | Stranger | 1 |
| TV Show | 1944 | Golden Globe Awards | Self - Accepting Special Merit Award | 1 |
| TV Show | 1944 | Golden Globe Awards | Self | 1 |
| TV Show | 1994 | Turbocharged Thunderbirds | Jeff Tracy (voice) | 13 |
| TV Show | 1944 | Golden Globe Awards | Self - Nominee | 1 |
