Special Guest Stars Neal McDonough as Damien Darhk Guest Stars David Sobolov voices Gorilla Grodd Dianne Doan as Anh Ly Evan Jones as Dick Rory Co Starring Peter Hall as Lyndon B. Johnson Eric Mazimpaka as Grodd Soldier Blake Stadel as General Christine Lippa as Marie Curie Matt Kennedy as Convoy Soldier 01 Michael Kiapway as Ryan Sanders Christopher Coutts as Petey Adams Sacha M. Romalo as Galileo Lawrence Green as Isaac Newton Aidan Ferreira as Special Forces Soldier