You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What actore appears in the film Best Seller and was also in First Blood?" whose answer is Brian Dennehy.
Each document should contain about 30 words, and these documents should contain useful information.

Query: cast of First Blood
Useful Output:

Doc 1: Top Billed Cast ; Sylvester Stallone. John Rambo ; Richard Crenna. Col. Samuel Trautman ; Brian Dennehy. Hope Sheriff Will Teasle ; Bill McKinney.
Doc 2: Take a nostalgic look at the cast of First Blood, the 1982 action classic that introduced the world to John Rambo.
Doc 3: Sylvester Stallone: Rambo, Writer; Richard Crenna: Trautman; Brian Dennehy: Teasle; David Caruso: Mitch; Jack Starrett: Galt; Michael Talbot: Balford
Doc 4: sylvesterstallone First Blood (1982) All Cast: Then and Now [41 Years After] First Blood (also known as Rambo: First Blood) is a 1982
Doc 5: Cast 40 · Sylvester Stallone. John Rambo · Richard Crenna. Col. · Brian Dennehy. Hope Sheriff Will Teasle · Bill McKinney. State Police Capt. · Jack Starrett.