Ricky Gervais talks to Christopher Guest about how ' Spinal Tap ' influenced his cult TV show ' The Office ', and how he has enjoyed working on a film with him. Shown on TV show ' Ricky Gervais Meets Christopher Guest '. Shown on Channel 4. England - 25.12.06 Supplied by WENN (WENN does not claim any Copyright or License in the attached material. Any downloading fees charged by WENN are for WENN's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. By publishing this material, the user expressly agrees to indemnify and to hold WENN harmless from any claims, demands, or causes of action arising out of or connected in any way with user's publication of the material.)