Special Guest Stars Tom Felton as Julian Desmond Albert Guest Stars Danielle Nicolet as DA Cecile Horton Tobin Bell voices Savitar Andre Tricoteux as Savitar Anne Dudek as Dr. Tracy Brand Richard Zeman as Lucious Coolidge / Heat Monger Co Starring Liam Hughes as Young Barry Allen Ken Camroux-Taylor as Judge Hankerson Sasha Rojen as Young Iris
