The play had its world premiere at the
Birmingham Repertory Theatre beginning previews 14 November 2025 (with a press night on 20 November) running until 18 January 2026 (after being extended from 11 January due to popular demand), directed by Phillip Breen with Becky Hope-Palmer and designed by Mark Bailey. In addition to writing, Ker and Reed also star as Holmes and Watson, respectively. The cast also includes
Margaret Cabourn-Smith as
Mrs. Hudson, and
John Kearns as
Inspector Lestrade. The full cast was announced on 30 September 2025. == Cast and characters ==