Walter Matthau: Diamond in the Rough
- Afọ: 1997
- Mba: United States of America
- Dị: Documentary
- .Lọ nka: Janson Media, Wombat Productions
- Isiokwu:
- Onyeisi: Gene Feldman
- Nkedo: Walter Matthau, Ossie Davis, Edward Dmytryk, Julie Harris, Jack Lemmon, Charles Matthau