They will play Mr. Woodhouse and Miss Bates to Anya Taylor-Joy's Emma Woodhouse and Johnny Flynn's George Knightley.
Rounding out the romantic comedy's cast will be Mia Goth as Harriet Smith, Josh O'Connor as Mr. Elton, Callum Turner as Frank Churchill, Rupert Graves as Mr. Weston, Gemma Whelan as Mrs. Weston, Amber Anderson as Jane Fairfax, and Tanya Reynolds as Mrs. Elton.
Filming is now underway in England with director Autumn de Wilde at the helm.
The project and Taylor-Joy's casting were announced in October.
The book Emma has been adapted many times, most notably in recent years by Gwyneth Paltrow in a 1996 feature film, Kate Beckinsale in an ITV movie that same year and Romola Garai in a 2009 BBC miniseries.