David Kaff, the British actor and musician who played keyboardist Viv Savage in Rob Reiner’s hit 1984 mockumentary “This Is Spinal Tap,” died Saturday. He was 79.

Known for playing hard-partying keyboardist Viv Savage in Rob Reiner's 1984 cult classic This Is Spinal Tap, Kaff is being remembered by his bandmates as a "dear brother" with a "kind word and a quick wit".

David Kaff, the musician and actor best known for his portrayal of good-humored keyboardist Viv Savage in the 1984 mockumentary This Is Spinal Tap, passed away in his sleep on July 11. He was 79 years old.