Entertainment Weekly reports that actress Annette O'Toole will be guest starring as a 60-year-old with early-onset Alzheimer's disease in the third season of Lie To Me.

The character will reportedly be keeping a dark secret from Cal Lightman (Tim Roth) and his team.

O'Toole is best remembered for her roles on Smallville as Martha Kent and "Superman: III" as Lana Lang. She has also starred in episodes of Law & Order and Nash Bridges.

The second season finale of Lie To Me airs on September 13 on FOX. The crime drama will kick off it's third season on November 10.