Benedict Cumberbatch Martin Freeman Una Stubbs
Louis Hunter Bella Dayne Frances O'Connor David Threlfall Chloe Pirrie
Tallulah Haddon Simona Brown Matthew Beard
Hannah Ware Zoë Tapper Dimitri Leonidas
Jacob Fortune-Lloyd Shira Haas Amaka Okafor Kyle Soller Stephen Graham Greta Scacchi Tom Mothersdale
Edward Holcroft Kevin Guthrie Charlotte Hope Niamh Walsh Craig Parkinson
Joe Locke Kit Connor William Gao Yasmin Finney Corinna Brown Kizzy Edgell Tobie Donovan Rhea Norwood
Kit Connor Joe Locke William Gao Yasmin Finney Corinna Brown Kizzy Edgell Tobie Donovan Rhea Norwood Jenny Walser Sebastian Croft Cormac Hyde-Corrin Fisayo Akinade Chetna Pandya Olivia Colman Stephen Fry
Richard Gadd Jessica Gunning Nina Sosanya Michael Wildman Danny Kirrane Shalom Brune-Franklin Hugh Coles Tom Goodman-Hill Chloe Driver