Falk Hentschel has been cast to play Carter Hall on both Arrow and The Flash before playing the character on the midseason series Legends of Tomorrow.
Carter Hall (aka Hawkman) is the reincarnation of an Egyptian Prince who is destined to reincarnate throughout time with his soulmate, Kendra Saunders. Both characters can access the powers of the Hawk God, Horus, with Carter being turned into the winged warrior known as Hawkman.
The series follows Rip Hunter, played by Arthur Darvill, a time-traveling rogue who has seen a horrible future and puts together a team to try and stop Vandal Savage, who is causing trouble throughout time.
Kendra Saunders will be played by Ciara Renee.