The Other One: Cast The Other One Comedy 6/5/20 – 6/5/20 United Kingdom https://www.bbc.co.uk/programmes/b0953y6k GeneralEpisodesCastCharactersGallery Cast See full cast → Ellie White as Catherine "Cathy" Walcott Lauren Socha as Catherine "Cat" Walcott Siobhan Finneran as Cat's Mum Rebecca Front as Cathy's Mum Amit Shah as Marcus Christopher Jeffers as Callum Michele Austin as Angela Caroline Quentin as Dawn Kath Hughes as Jennifer James Oates as Liam Amy Trigg as Pensions Office Woman David Menkin as Eamon Hammond Kaine Zajaz as Deggs Cassidy Little as Morgan Esh Alladi as Shaun