Guest Stars Patrick Sabongui as David Singh John Wesley Shipp as Dr. Henry Allen Michelle Harrison as Nora Allen Logan Williams as Young Barry Allen Stephen Amell as Oliver Queen / Arrow Fulvio Cecere as Officer Vukovich Chad Rook as Clyde Mardon Troy Rudolph as Paramedic #2 Al Sapienza as Detective Fred Chyre Nelson Leis as Scraggly Witness Jennifer Kitchen as Female Dispacher Marc Gaudet as Highway Patrolman Rowan Longworth as Albert Eli Shapera as Trent Matthew Robert Kelly as Coroner Brendon Zub as Kyle Co Starring Olivia Cheng as Linda Park Alistair Abell as ER Doctor Dagan Nish as Junkie Yoshié Bancroft as Nurse #2 Adele Noronha as Nurse #1 Dee Jay Jackson as Laundry Guy Osmond Bramble as Uniform With Junkie Lauren Carnovale as Barista Gigi Jackman as Bank Teller
