Christopher's first big role was as Nigel Tufnel in This Is Spinal Tapwith Rob Reiner and Angelica Huston. This led to a series of off-beat films with an ever-growing cast, including Little Shop of Horrors, The Princess Bride, Best in Show, and A Mighty Wind. The ongoing cast includes Paul Dooley, Catherine O'Hara, Michael McKean, Harry Shearer, Parker PoseyEd Begley Jr, Fred Willard, and Eugene Levy, among others.