Rob Reiner stars as Documentarian Marty DiBergi

Rob Reiner and Norman Lear at an event for All in the Family (1971)

Sharon Case at an event for This Is Spinal Tap (1984)

Tim Curry at an event for This Is Spinal Tap (1984)

Jamie Lee Curtis at an event for This Is Spinal Tap (1984)

Fran Drescher at an event for This Is Spinal Tap (1984)

Laura San Giacomo at an event for This Is Spinal Tap (1984)

Laura San Giacomo and Matt Adler at an event for This Is Spinal Tap (1984)

Christopher Guest, Michael McKean, and Spinal Tap in This Is Spinal Tap (1984)

Christopher Guest, Michael McKean, Harry Shearer, and Spinal Tap in This Is Spinal Tap (1984)

Anjelica Huston and Tony Hendra in This Is Spinal Tap (1984)

Christopher Guest and Rob Reiner in This Is Spinal Tap (1984)

Christopher Guest, June Chadwick, Victory Tischler-Blue, Joyce Hyser, Harry Shearer, and Spinal Tap in This Is Spinal Tap (1984)

Christopher Guest and Spinal Tap in This Is Spinal Tap (1984)

Christopher Guest, Patrick Macnee, Tony Hendra, Michael McKean, R.J. Parnell, Harry Shearer, Spinal Tap, and David Kaff in This Is Spinal Tap (1984)

Gloria Gifford and Harry Shearer in This Is Spinal Tap (1984)

Christopher Guest, Michael McKean, and Harry Shearer in This Is Spinal Tap (1984)