| First Name | Walter |
| Middle Name | John |
| Last Name | Matthau |
| Full Name at Birth | Walter John Matthow |
| Other Names | Jake |
| Age | 79 (age at death) |
| Date of Birth | October 1, 1920 |
| Birthplace | New York City, New York |
| Date of Death | July 1, 2000 |
| Location of Death | Santa Monica, California |
| Cause of Death | Heart Failure |
| Height | 6' 3" (190 cm) |
| Build | Average |
| Eye Color | Hazel |
| Hair Color | Salt and Pepper |
| Star Sign | Libra |
| Religion | Jewish |
| Ethnicity | White |
| Nationality | American |
| High School | Seward Park High School |
| Occupation Category | Actor |
| Claim to Fame | The Odd Couple |
| Friends | Jack Lemmon |
Walter Matthau (October 1, 1920 – July 1, 2000) was an American actor best known for his role as Oscar Madison in The Odd Couple and his frequent collaborations with Odd Couple star Jack Lemmon, as well as his role as Coach Buttermaker in the 1976 comedy The Bad News Bears. He won an Academy Award for his performance in the 1966 Billy Wilder film The Fortune Cookie.
Selected Walter Matthau film and TV show credits: