Craig Sweeny Creator, Executive Producer, Writer Morris Chestnut Dr. John Watson Actor, Executive Producer Rochelle Aytes Dr. Mary Morstan Actor Eve Harlow Dr. Ingrid Derian Actor Peter Mark Kendall Dr. Stephens Croft, Dr. Adam Croft Actor Ritchie Coster Shinwell Johnson Actor Inga Schlingmann Dr. Sasha Lubbock Actor Randall Park James Moriarty Guest Star Tika Sumpter Laila Guest Star Aaron Kaplan Executive Producer Larry Teng Executive Producer Brian Morewitz Executive Producer Shäron Moalem Executive Producer, Writer Sallie Patrick Executive Producer, Writer Teresa Tuan Writer Kristin Lehman Director