- Yûichi Nakamura
- Â John H. Watson 24 episodes, 2019-2020
- Katsuyuki Konishi
- Â Sherlock Holmes (2019) 24 episodes, 2019-2020
- Ian Sinclair
- Â Sherlock 14 episodes, 2019-2020
- Justin Briner
- Â Moriarty / ... 14 episodes, 2019-2020
- Jessie James Grelle
- Â Watson 14 episodes, 2019-2020
- David Wald
- Â Mrs. Hudson 13 episodes, 2019-2020
- Kyle Phillips
- Â Kobayashi 13 episodes, 2019-2020
- Aaron Roberts
- Â Fuyuto 12 episodes, 2019-2020
- Trina Nishimura
- Â Mary 11 episodes, 2019-2020
- R. Bruce Elliott
- Â Michel 11 episodes, 2019-2020
- Ryan Reynolds
- Â Lucy 10 episodes, 2019-2020
- Brianna Roberts
- Â Yuuya 10 episodes, 2019-2020
- Sarah Wiedenheft
- Â Renko 9 episodes, 2019-2020
- Jun'ichi Suwabe
- Â Mrs. Hudson 9 episodes, 2019
- Mikaela Krantz
- Â Saburo / ... 9 episodes, 2019
- Amanda R. Gish
- Â Yoshio 9 episodes, 2019
- Cris George
- Â Additional Voices / ... 8 episodes, 2019-2020
- Kiba Walker
- Â Diana / ... 8 episodes, 2019-2020
- Brandon McInnis
- Â Maki / ... 8 episodes, 2019
- Daman Mills
- Â Chinkill / ... 7 episodes, 2019-2020
- Sarah Roach
- Â Lychee 7 episodes, 2019
- Lynsey Hale
- Â Juri 7 episodes, 2019
- Kana Hanazawa
- Â Alexandra Moran 6 episodes, 2019-2020
- You Taichi
- Â James Moriarty (young) 6 episodes, 2019-2020
- Caitlin Glass
- Â Irene 6 episodes, 2019
- Kikuko Inoue
- Â Kate Carlyle 6 episodes, 2020
- Austin Tindle
- Â Lestrade 5 episodes, 2019
- J. Michael Tatum
- Â Mycroft 4 episodes, 2019-2020
- Bryn Apprill
- Â Alexandra / ... 4 episodes, 2019-2020
- Christopher Sabat
- Â Moran 4 episodes, 2019
- Christopher Dontrell Piper
- Â Additional Voices / ... 3 episodes, 2019-2020
- Christopher Wehkamp
- Â Godfrey / ... 3 episodes, 2019
- Phil Parsons
- Â Additional Voices 3 episodes, 2019
- Chris Gardner
- Â Masaya / ... 3 episodes, 2019
- Tyson Rinehart
- Â Bunmaru / ... 2 episodes, 2019-2020
- Bryan Massey
- Â Additional Voices / ... 2 episodes, 2019-2020
- Alex Mai
- Â Additional Voices 2 episodes, 2019-2020
- Skyler McIntosh
- Â Additional Voices 2 episodes, 2019-2020
- Brandon Potter
- Â Cobra 2 episodes, 2019
- Emi Lo
- Â Additional Voices 2 episodes, 2019
- Mallorie Rodak
- Â Fujiko 2 episodes, 2019
- Kent Williams
- Â Kaneko 2 episodes, 2019
- Jarrod Greene
- Â Sugimoto 2 episodes, 2019
- Dave Trosko
- Â Additional Voices / ... 2 episodes, 2019
- Garret Storms
- Â B-ZO 2 episodes, 2019
- Kevin Thelwell
- Â Additional Voices 2 episodes, 2019
- Z. Charles Bolton
- Â Additional Voices 2 episodes, 2019
- Joshua Sherman
- Â Additional Voices 2 episodes, 2019
- Jeremiah Johnson
- Â Additional Voices 2 episodes, 2019
- Johnny Yong Bosch
- Â Monkey 1 episode, 2019
- Amber Lee Connors
- Â Additional Voices 1 episode, 2019
- Jason Douglas
- Â Omiyama 1 episode, 2019
- Kenjirô Tsuda
- Â Milverton 1 episode, 2019
- Monica Rial
- Â Hiroko 1 episode, 2019
- Eric Vale
- Â Dog 1 episode, 2019
- Aaron Dismuke
- Â Additional Voices 1 episode, 2019
- Jerry Jewell
- Â Pheasant 1 episode, 2019
- Justin Cook
- Â Momotaro 1 episode, 2019
- Dallas Reid
- Â Additional Voices 1 episode, 2019
- Ricco Fajardo
- Â Additional Voices 1 episode, 2019
- Stephanie Young
- Â Agatha 1 episode, 2019
- Matt Shipman
- Â Additional Voices 1 episode, 2019
- Chris Rager
- Â Norio 1 episode, 2019
- Stephen Fu
- Â Pu 1 episode, 2019
- John Burgmeier
- Â Milverton 1 episode, 2019
- Lydia Mackay
- Â Additional Voices 1 episode, 2019
- Cynthia Cranz
- Â Additional Voices 1 episode, 2019
- Ben Balmaceda
- Â Additional Voices 1 episode, 2019
- Josh Martin
- Â Mattsun 1 episode, 2019
- Charles C. Campbell
- Â Tony 1 episode, 2019
- Morgan Laure
- Â Saori 1 episode, 2019
- Emily Neves
- Â Additional Voices 1 episode, 2019
- Jeremy Inman
- Â Potter 1 episode, 2019
- Mark Stoddard
- Â Additional Voices 1 episode, 2019
- AmaLee
- Â Additional Voices 1 episode, 2019
- Michelle Rojas
- Â Additional Voices 1 episode, 2019
- Marcus D. Stimac
- Â Additional Voices 1 episode, 2019
- Blake McNamara
- Â Additional Voices 1 episode, 2019
- Doug Jackson
- Â Additional Voices 1 episode, 2019
- Kate Bristol
- Â Yui 1 episode, 2019
- Ben Bryant
- Â Additional Voices / ... 1 episode, 2019
- Ryô Sugisaki
- Â Comrade 1 episode, 2019
- Seth Magill
- Â Additional Voices 1 episode, 2019
- Shawn Gann
- Â Additional Voices 1 episode, 2019
- Brad Kurtz
- Â Additional Voices 1 episode, 2019
- Mark Oristano
- Â Additional Voices 1 episode, 2019
- Eric Rolon
- Â Additional Voices 1 episode, 2019
- Gloria Vivica Benavides
- Â Additional Voices 1 episode, 2019
- Jean-Luc Hester
- Â Additional Voices 1 episode, 2019
- Gary Furlong
- Â Additional Voices 1 episode, 2019
- Jeff Colangelo
- Â Additional Voices 1 episode, 2019
- Carson Wright
- Â Additional Voices 1 episode, 2019
- James Larabee
- Â Additional Voices 1 episode, 2019
- Ariel Graham
- Â Additional Voices 1 episode, 2019
- Sakyiwaa Baah
- Â Additional Voices 1 episode, 2019
- Samantha Herek
- Â Additional Voices 1 episode, 2019
- Ashe Thurman
- Â Additional Voices 1 episode, 2019
- Brigette Marquardt
- Â Additional Voices 1 episode, 2019
- Joanna Beaty
- Â Additional Voices 1 episode, 2019
- Christian Taylor
- Â Additional Voices 1 episode, 2019
- Caroline Hill
- Â Emiri 1 episode, 2019
- Marianne Daughtry
- Â Additional Voices 1 episode, 2019
- Dylan Mobley
- Â Additional Voices 1 episode, 2019
- Zach Archibald
- Â Additional Voices 1 episode, 2019
- Jamal Roberson
- Â Additional Voices 1 episode, 2019
- Marissa Lenti
- Â Additional Voices 1 episode, 2020
- Brittney Karbowski
- Â Ranpo 1 episode, 2020
- Jamie Marchi
- Â Cathy 1 episode, 2020
- Jad Saxton
- Â Additional Voices 1 episode, 2020
- Nazeeh Tarsha
- Â Additional Voices 1 episode, 2020
- Jordan Dash Cruz
- Â Additional Voices 1 episode, 2020
- Haruka Tomatsu
- Â John H Watson (young) 1 episode, 2020
- Aaron Campbell
- Â Matsumoto 1 episode, 2020
- Kenneisha Thompson
- Â Additional Voices 1 episode, 2020
- Barry Yandell
- Â Yokomizo 1 episode, 2020
- Yoshino Aoyama
- Â Umi Sakaguchi 1 episode, 2020
- Apphia Yu
- Â Ango 1 episode, 2020
- Greg Dulcie
- Â Albert 1 episode, 2020
- Chad Halbrook
- Â Kohada 1 episode, 2020
- Alison Viktorin
- Â Futaro 1 episode, 2020
- Joe Cucinotti
- Â Additional Voices 1 episode, 2020
- Chris Thurman
- Â Additional Voices 1 episode, 2020
- Kylie Stewart
- Â Additional Voices 1 episode, 2020
- Chris Sykes
- Â Additional Voices 1 episode, 2020
