| Sly (2023) Self (archive footage) (uncredited) |
| Always at The Carlyle (2018) Self (archive footage) |
| And the Oscar Goes To... (2014) Self (archive footage) |
| Johnny Mercer: The Dream's on Me (2009) Self |
| Starz Inside: Ladies or Gentlemen (2008) Self (archive footage) |
| Inside 'The Apartment' (2008) Self (archive footage) |
| Magic Time: The Art of Jack Lemmon (2007) Self (archive footage) |
| The Legacy of 'Some Like It Hot' (2006) Self (archive footage) |
| The Making of 'Some Like It Hot' (2006) Self (archive footage) |
| Nos Bastidores de Hollywood (2005) Self |
| The China Syndrome: A Fusion of Talent (2004) Self (archive footage) |
| The China Syndrome: Creating a Controversy (2004) Self (archive footage) |
| Uta Hagen's Acting Class (2004) Self |
| Christmas in Hollywood (2003) Self (archive footage) |
| Magic Time: A Tribute to Jack Lemmon (2002) Self (archive footage) |
| Nobody's Perfect - The Making of Some Like It Hot (2001) Self |
| On Cukor (2000) Self |
| The Legend of Bagger Vance (2000) Narrator |
| Klaus Kinski - Ich bin kein Schauspieler (2000) Self (archive footage) |
| Tuesdays with Morrie (1999) Morrie Schwartz |
| Inherit the Wind (1999) Henry Drummond |
| Forever Hollywood (1999) Self |
| Private Screenings: Jack Lemmon and Walter Matthau (1998) Self |
| Off the Menu: The Last Days of Chasen's (1998) Self |
| The Odd Couple II (1998) Felix Ungar |
| Puppies for Sale (1998) |
| The Long Way Home (1998) Tom Gerrin |
| Billy Wilder: The Human Comedy (1998) Self |
| 12 Angry Men (1997) Juror 8 |
| Out to Sea (1997) Herb Sullivan |
| Walter Matthau: Diamond in the Rough (1997) Self |
| Hamlet (1996) Marcellus |
| My Fellow Americans (1996) President Russell P. Kramer |
| Fred MacMurray: The Guy Next Door (1996) Self |
| Jack Lemmon: America's Everyman (1996) Self |
| A Weekend in the Country (1996) Bud Bailey |
| Shirley Maclaine: Kicking Up Her Heels (1996) Self |
| Getting Away with Murder (1996) Mueller / Luger |
| Grumpier Old Men (1995) John Gustafson |
| Inside the Dream Factory (1995) Self |
| The Grass Harp (1995) Dr. Morris Ritz |
| Grumpy Old Men (1993) John Gustafson |
| A Life in the Theatre (1993) Robert |
| Short Cuts (1993) Paul Finnigan |
| Luck, Trust & Ketchup: Robert Altman in Carver Country (1993) Self |
| Beyond JFK: The Question of Conspiracy (1993) Self |
| Earth and the American Dream (1992) Reader (voice) |
| Glengarry Glen Ross (1992) Shelley Levene |
| James Cagney: Top of the World (1992) Self |
| The Player (1992) Jack Lemmon |
| For Richer, for Poorer (1992) Aram Katourian |
| JFK (1991) Jack Martin |
| The One, the Only... Groucho (1991) Self |
| The American Film Institute Presents: TV or Not TV? (1990) Self - Host |
| The Earth Day Special (1990) Coach Stewart |
| Rita Hayworth: Dancing Into the Dream (1990) Self |
| The Life and Legend of Jane Goodall (1990) Self - Narrator (voice) |
| Harold Lloyd: The Third Genius (1989) Self |
| Dad (1989) Jake Tremont |
| Happy Birthday, Bob: 50 Stars Salute Your 50 Years with NBC (1988) Self (archive footage) |
| Gregory Peck: His Own Man (1988) Self |
| Long Day's Journey Into Night (1987) James Tyrone |
| That's Life! (1986) Harvey Fairchild |
| Marilyn Monroe: Beyond the Legend (1986) Self (from Some Like It Hot [1959]) (archive footage) |
| Kraft Salutes the George Burns 90th Birthday Special (1986) Self |
| Debonair Dancers (1986) Narrator |
| Maccheroni (1985) Robert Traven |
| Jacques Cousteau: The First 75 Years (1985) Self |
| Mass Appeal (1984) Father Tim Farley |
| Portrait d'un homme 'à 60% parfait': Billy Wilder (1982) Self |
| Hollywood: The Gift of Laughter (1982) Self |
| Night of 100 Stars (1982) Self |
| Missing (1982) Ed Horman |
| All-Star Party for Burt Reynolds (1981) Self |
| Buddy Buddy (1981) Victor Clooney |
| Musical Comedy Tonight II (1981) Self |
| Tribute (1980) Scottie Templeton |
| The China Syndrome (1979) Jack Godell |
| Airport '77 (1977) Don Gallagher |
| The Gentleman Tramp (1976) Narrator |
| Alex & the Gypsy (1976) Alexander Main |
| The Entertainer (1976) Archie Rice |
| La polizia ha le mani legate (1975) Narrator (voice) |
| The Prisoner of Second Avenue (1975) Mel Edison |
| The Front Page (1974) Hildebrand Johnson |
| Wednesday (1974) Jerry Murphy |
| Save the Tiger (1973) Harry Stoner |
| Avanti! (1972) Wendell Armbruster, Jr. |
| The War Between Men and Women (1972) Peter Wilson |
| S Wonderful, 'S Marvelous, 'S Gershwin (1972) Self - Host |
| Kotch (1971) Sleeping Bus Passenger (uncredited) |
| The Out-of-Towners (1970) George Kellerman |
| The April Fools (1969) Howard Brubaker |
| Jack Benny's Bag (1968) Self |
| The Odd Couple (1968) Felix Ungar |
| Luv (1967) Harry Berlin |
| The Fortune Cookie (1966) Harry Hinkle |
| The Great Race (1965) Professor Fate |
| How to Murder Your Wife (1965) Stanley Ford |
| Good Neighbor Sam (1964) Sam Bissel |
| Under the Yum-Yum Tree (1963) Hogan |
| Irma la Douce (1963) Nestor Patou |
| Days of Wine and Roses (1963) Joe Clay |
| The Notorious Landlady (1962) Bill Gridley |
| The New March of Dimes Presents: The Scene Stealers (1962) Self |
| The Wackiest Ship in the Army (1960) Rip Crandall |
| Pepe (1960) Jack Lemmon |
| The Apartment (1960) C.C. Baxter |
| It Happened to Jane (1959) George Denham |
| Some Like It Hot (1959) Jerry (Daphne) |
| Bell, Book and Candle (1958) Nicky Holroyd |
| Cowboy (1958) Frank Harris |
| Operation Mad Ball (1957) Pvt. Hogan |
| Fire Down Below (1957) Tony |
| You Can't Run Away from It (1956) Peter Warne |
| My Sister Eileen (1955) Bob Baker |
| Mister Roberts (1955) Ensign Frank Pulver |
| Three for the Show (1955) Martin 'Marty' Stewart |
| Phffft (1954) Robert Tracey |
| It Should Happen to You (1954) Pete Sheppard |
| Once Too Often (1950) Mike (uncredited) |
| The Lady Takes a Sailor (1949) Plasterer (uncredited) |