Guest Stars Teddy Sears as Jay Garrick John Wesley Shipp as Dr. Henry Allen Tony Todd voices Zoom Michelle Harrison as Nora Allen LaMonica Garrett as The Monitor John Wesley Shipp as Barry Allen / The Flash of Earth-90 Co Starring Islie Hirvonen as Grace Gibbons Lossen Chambers as Doctor Vanessa Ambres Troy Rudolph as Paramedic #2 Benita Ha as Paramedic #1 Uncredited Tom Cavanagh as Dr. Harrison Wells Tom Cavanagh as Dr. Harrison "Harry" Wells / Earth-2
