Question: What American-born Swiss recording singer appears in Tommy?
Sentence (from "Tommy (1975 film)"): Directed by Ken Russell, the film featured a star-studded ensemble cast, including the band members themselves (most notably, lead singer Roger Daltrey, who plays the title role), Ann-Margret, Oliver Reed, Eric Clapton, Tina Turner, Elton John, Arthur Brown, and Jack Nicholson.
Relevant evidence: Yes