Question: Smike is a pop musical adaptation of "Nicholas Nickleby" that starred an English actor and singer who is best known for his roll in the 1968 film version of what?
Sentence (from "Leonard Whiting"): Leonard Whiting (born 30 June 1950) is an English actor and singer who is best known for his role as Romeo in the 1968 Zeffirelli film version of "Romeo and Juliet" opposite Olivia Hussey's Juliet, a role which earned him the Golden Globe Award for New Star of the Year - Actor.
Relevant evidence: Yes