Walter Matthau: Diamond in the Rough
- Sena: 1997
- Pajjiż: United States of America
- Ġeneru: Documentary
- Studio: Janson Media, Wombat Productions
- Kelma ewlenija:
- Direttur: Gene Feldman
- Kast: Walter Matthau, Ossie Davis, Edward Dmytryk, Julie Harris, Jack Lemmon, Charles Matthau