Kaffe Keating (alt Christopher Boone), Rebecca Lacey (Siobhan), Mark Rawlings (u/s Ed), Mary Stockley (Judy), Jacqueline Clarke (Mrs. Alexander), Indra Ove (Mrs. Shears and others), Matthew Trevannion (Mr. Thompson and others), Stephen Beckett (Roger Shears and others), Sean McKenzie (Rev. Peters and others), Pearl Mackie, Simon Victor