Dominic Holmes, Elizabeth Berrington, Stephen Bailey, Phil Collinson, Charlie Condou, Denise Welch, Paul Rhys, Russell T Davies, Luyanda Unati Lewis-Nyawo, Gabriel Clark, Shakeel Kimotho, Nicola Shindler, Jackson Connor, Iz Hesketh, David Morrissey, Alan Cumming seen at BFI Southbank for Movie Premier