David Thewlis

Grail

Helena Bonham Carter

Eudoria Holmes

Himesh Patel

Dr. Watson

Susan Wokoma

Edith

Tim McMullan

Charles McIntyre

Adeel Akhtar

Lestrade

Millie Bobby Brown

Enola Holmes

Henry Cavill

Sherlock Holmes

Lee Boardman

Mr. Bill Crouch

David Westhead

Henry Lyon

Louis Partridge

Lord Tewkesbury

Sofia Stavrinou

Young Enola

Harry Bradbeer

Director

Joshua Grode

Executive Producer

Sharon Duncan-Brewster

Mira Troy

Hannah Dodd

Sarah Chapman / Cicely

John Parshall

Young Sherlock

Abbie Hern

Mae

Róisín Monaghan

Hilda Lyons

Gabriel Tierney

William Lyon

Catriona Chandler

Agatha Gowerdale

Serrana Su-Ling Bliss

Bessie Chapman

Tony Lucken

Sgt. Beeston

Alessandra Perotto

Peddler

Alan Mitchell

Powdered Face Man

Chris Dunckley

Newspaper Boy

Jack Thorne

Writer