Mike Walker's dramatisation of the novel by Arthur C Clarke, set in the 22nd Century. What is the secret at the heart of the space object known as Rama and why, years after the event, has Commander William Norton never spoken about what he found there? William Norton ...... Richard Dillane Li Kwok ...... Paul Courtenay Hyu Pieter Rousseau ...... Jimmy Akingbola Jimmy Pak ...... Robert Lonsdale Aruna Calvert ...... Archie Panjabi Gerry ...... Inam Mirza Ruby Barnes ...... Janice Acquah Laura Ernst ...... Ania Sowinski Indira Gopal ...... Shelley King Erl King ...... Peter Marinker Tamara Ruiz ...... Jill Cardo Tan Sun ...... Jonathan Tafler Henning ...... Paul Rider.