Paddy Breathnach Director Arielle Kebbel Catherine Actor Sarah Carter Kim Actor Stephen Dillane Dr. Harris Actor Andrew Lee Potts Kenneth Actor Alex Wyndham Jake Actor Katie McGrath Harriet Actor Christina Chong Yoshimi Actor Martin Compston Sean Actor Michael Jibson Steve Actor MyAnna Buring Shelby Actor Spence Wright Screenwriter Simon Bosanquet Executive Producer Mark Huffam Producer Michael Kelly Producer Steve Norris Executive Producer Stephen Warbeck Original Music Ruairi O'Brien Cinematographer Dermot Diskin Film Editing