ALPHAS: SEASON 2 GUEST-STARS

Syfy has released a list of new and returning guest-stars for the second season of Alpha, which premieres on Monday, July 23 at 10 p.m. (ET/PT).

Summer Glau will return for three episodes as Skylar Adams, an Alpha who possesses a 200+ IQ and is an electronics mastermind.

Other new and returning guest-stars include:

Sean Astin: Roland, an Alpha who has a bizarrely absorptive brain, which allows him to assume the memories of anyone close to him and then replay them like a tape recorder.

C. Thomas Howell: Eli Aquino, an intense Alpha with super-speed who is bent on revenge.

Lauren Holly: Senator Charlotte Burton, a government official with mysterious ties to a member of the Alphas team.

Steve Byers: John Bennett, a new member of the tactical team from the U.S. Department of Defense assigned to the Alphas team.

Kandyse McClure: Agnes, an attractive but distant Alpha with the ability to see into people’s minds merely by touching them.

John Pyper-Ferguson: Recurring role of Stanton Parish, the "Perfect Alpha."

Kathleen Munroe: Returning as Dr. Rosen's daughter, Dani, an empath Alpha who can transfer emotions from herself to others and is secretly a follower of Stanton Parish.

Mahershala Ali: Returning as Nathan Clay, the head of a tactical unit within the U.S. Department of Defense tasked with dealing with rogue Alphas.

Noah Reid: Adam Gordon a young man grief-stricken by the death of his young sister, Maggie. However, he becomes convinced she is alive and in need of his help.