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: "who was in series 1 of safe house?" whose answer is Christopher Eccleston as Robert Carmichael.
Each document should contain about 30 words, and these documents should contain useful information.

Query: cast of the first series of Safe House
Useful Output:

Doc 1: Earlier this year, ITV announced a second series including the return of stars Eccleston and co-stars Marsha Thomason and Paterson Joseph.
Doc 2: This season has the most people, which are 13. They are Tay, New, First, Khaotung, Fourth, Gemini, Prom, Perth, Chimon, Foei, Mond, White and
Doc 3: When the news is out it triggers memories for Tom Brook (Stephen Moyer) a former detective and regeneration of Robert Carmichael. He believes
Doc 4: Cast & Crew ; Marsha Thomason. Actor ; Paterson Joseph. Actor ; Christopher Eccleston. Robert ; Stephen Moyer. Tom Brook ; Zoe Tapper. Sam Stenham
Doc 5: Cast & Credits · Gun Atthaphan Phunsawat in Safe House Thai TV Show (2021) · Tay Tawan Vihokratana in Safe House Thai TV Show (2021) · Earth