IGN have announced that both Floyd Lawton (Deadshot), and Hawkgirl (Shayera) have been cast on Smallville.

"Hawkgirl and Deadshot are just two of several new DC characters set to debut in Smallville: Season 10, including Darkseid, Blue Beetle and Booster Gold.", says IGN.

Actress Sahar Biniaz will portray Hawkgirl alongside Michael Shanks who is reprising his role as Hawkman.

Hawkgirl will make her debut in the upcoming episode "Shield" but it is unknown whether it will be in a flashback or current time.

Aside from cameos in the background of episodes including "Crossfire", "Identity", and "Fierce", this will be Biniaz's first time on "Smallville".

Actor Bradley Stryker will make his debut on the show as Deadshot in a currently unknown episode. Stryker has previously starred on both "The OC" and "Stargate Universe".

The tenth and final season of Smallville premieres at 8pm (EST) on September 24 on The CW.