Tamara Lawrance July Actor Hayley Atwell Caroline Mortimer Actor Jack Lowden Robert Actor Leo Bill John Howarth Actor Doña Croll Old July Actor Lenny Henry Godfrey Actor Jo Martin Hannah Actor Ayesha Antoine Molly Actor Ethan Hazzard Elias Actor Sharon Duncan-Brewster Kitty Actor Gordon Brown Tam Dewar Actor Richard Pepple Dublin Hilton Actor Joy Richardson Miss Rose Actor Kara-Leah Fernandes 7-Year-Old July Actor Jordan Bolger Nimrod Actor David Verrey George Sadler Actor Lizzie Hopley Evelyn Sadler Actor Harry Gostelow Charles Wyndham Actor Madeleine Mantock Miss Clara Actor Luis Bryan Mesa Byron Actor Ansu Kabia James Richards Actor Leighton Hudson Benjamin Actor Shereen Gray Peggy Jump Actor Clarisse Albrecht Mary Ellis Actor Caleb Frederick Ezra Actor Andy Frestner Samuel Lewis Actor Dorian da Silva Driver Jackson Actor Roger Wasserman Mr Francis Bear Actor Esther Tejeda Lilian Actor David Heyman Executive Producer Rosie Alison Executive Producer Andrea Levy Executive Producer, Writer Sarah Williams Executive Producer, Writer Tom Coan Executive Producer Roopesh Parekh Producer Mahalia Belo Director