Sherlock: Take your family to work day.
- Drawing by Steven Moffat & Sue Vertue’s son
- Mark Gatiss’ husband Ian Hallard as Mr. Crayhill
- Martin Freeman’s partner Amanda Abbington as Mary Morstan
- Benedict Cumberbatch’s parents Wanda Ventham and Timothy Carlton as Sherlock’s parents
Also the child’s voice in ‘The Great Game’ is the voice of one of Moffat and Sue’s sons