Season 3 is looking very Cold and Darhk for the Legends of Tomorrow.
The CW has announced that Wentworth Miller and Neal McDonough will reprise their roles as former Legion of Doom members Leonard Snart and Damien Darhk. McDonough will be a series regular, while Miller will recur.
Legends kicks off its third season on Tuesday, Oct. 10 at 9/8c, following the Season 4 premiere of The Flash.
Source: http://tvline.com/