Dean Cain (July 31, 1966) is an American actor. He played Dr. Curtis Knox in the Season 7 episode "Cure". He also appeared at the end of the episode as himself in a public service announcement for the Christopher and Dana Reeve Foundation.
Cain also hosted Ripley's Believe It or Not! from 1999-2003.
Prior to appearing on Smallville, archive footage of him from Lois & Clark was used on the Season 4 DVD feature Being Lois Lane.
Dean Cain will be making another appearance in the Superman universe in the CBS upcoming fall TV series Supergirl, where he'll play the supporting role of one of the adoptive parents of Kara Zor-EL, the Danvers, alongside fellow Supergirl alumna Helen Slater.
- Dean Cain on Wikipedia