Craig Sweeny Creator, Executive Producer, Writer Morris Chestnut Dr. John Watson Actor, Executive Producer Rochelle Aytes Dr. Mary Morstan Actor Eve Harlow Ingrid Derian Actor Peter Mark Kendall Dr. Stephens Croft, Dr. Adam Croft Actor Ritchie Coster Shinwell Johnson Actor Inga Schlingmann Sasha Lubbock Actor Anjelica Bette Fellini Erika Filipello Actor Whoopie Van Raam Irene Adler Guest Star Nat Faxon Hobie McSorley Guest Star Tika Sumpter Laila Guest Star Shannon Berry Autumn Franco Actor Randall Park Moriarty Actor Jean Zarzour Erika's Mother Actor Alejandra Chavarria O.R. Nurse Actor Lesley Mirza Prenatal Nurse Actor Grace Gouwens Clinic Volunteer Actor Andrew Dobbie Croft Twin Actor Riley Orr Croft Twin Actor Brad Bergeron Damon Filipello Actor Alexandra Khan-Anselmo Dorothy Ward Actor Aaron Kaplan Executive Producer Larry Teng Executive Producer, Director Brian Morewitz Executive Producer Shäron Moalem Executive Producer, Writer Sallie Patrick Executive Producer, Writer Teresa Tuan Writer Charly Evon Simpson Writer Christine Moore Director Theo Travers Writer Ron Underwood Director Clara Aranovich Director Brook Willard Cinematographer Jeff Byrd Director