- Connor Chadwick
- Â Sherlock Holmes 10 episodes, 2021-2024
- Daniel J. Patton
- Â Dr. John Watson 10 episodes, 2021-2024
- John N. Harper
- Â Inspector Lestrade 5 episodes, 2022-2024
- Rosalind Whelan
- Â Mrs. Hudson 5 episodes, 2021-2024
- Christopher Michael J. Marsh
- Â James Moriarty 4 episodes, 2021-2022
- Adèle Jayne Harris
- Â Mary Watson 3 episodes, 2022
- Peter M. George
- Â Mycroft Holmes 3 episodes, 2021-2022
- Michelle Willows
- Â Cherry / ... 3 episodes, 2021-2022
- Chris Draper
- Â Inspector Lestrade 2 episodes, 2021
- Alan Overton
- Â Alistair Stewart / ... 2 episodes, 2021-2024
- James Sutton
- Â John Openshaw 1 episode, 2021
- Christopher Whiteford
- Â Jabez Wilson 1 episode, 2021
- Kate Lassman
- Â Irene Adler 1 episode, 2021
- Alia E. Torrie
- Â Helen Stoner / ... 1 episode, 2022
- Cat Furniss
- Â Mrs. St. Clair 1 episode, 2022
- Ruaidhri Guest
- Â Sebastian Moran 1 episode, 2024
- Steve Gordon
- Â Gave 1 episode, 2021
- Rob Baines
- Â Peter Jones 1 episode, 2021
- Simon Fisher-Becker
- Â Arthur Morstan 1 episode, 2022
- Megan Roper
- Â Lily Sutherland 1 episode, 2022
- Roman Wood
- Â Doctor Roylott 1 episode, 2022
- Jo Eddings
- Â Emilia Lucca 1 episode, 2022
- Michael Cox
- Â Mr. Merryweather 1 episode, 2021
- Luke Lane
- Â Gennaro Lucca 1 episode, 2022
- Jeevan John
- Â Policeman 1 episode, 2022
- Dominic G. Martin
- Â John Clay 1 episode, 2021
- Jakey Kendrick
- Â Keith 1 episode, 2021
- Ollie Hatton
- Â Jackson Blake 1 episode, 2022
- Aidan O'Connor
- Â Detective Leverton 1 episode, 2022
- James Walsh
- Â Publisher 1 episode, 2024
- Hugo Alyn Stephens
- Â Vincent Spaudling 1 episode, 2021
- George Guidera
- Â Allan Williams 1 episode, 2022
- Jacob Overton
- Â Hugh Boone 1 episode, 2022
- Joshua Lee
- Â Michael Brown 1 episode, 2022
- Jayden Robinson
- Â Officer 2 1 episode, 2024
- Lewis Wheelhouse
- Â Dennis Richards 1 episode, 2022
- Cameron Hardwick
- Â Waiter 1 episode, 2021
