Reiner will also return as the documentarian Martin Marty DiBergi.
The film will feature cameos from Elton John, Paul McCartney, Questlove, Garth Brooks and Trisha Yearwood.
Christopher H. Warner and Derrick Rossi serve as executive producers.
THIS IS SPINAL TAP, HARRY SHEARER, CHRISTOPHER GUEST, MICHAEL MCKEAN, 1984.Spinal Tap Productions
This Is Spinal Tapwas released in 1984 and went on to become a cult classic.
