Deadline is reporting that Jason Behr and Claude Knowlton have joined the cast of the upcoming sixth season of CW’s Supergirl in recurring roles.
Knowlton will play a mild mannered alien whose tragic past allows him to help the Superfriends with their mission at hand.
Behr will portray a famous or noted Kryptonian who plays a significant role helping Kara when she faces circumstances beyond her control. The character name is being kept under wraps.
Knowlton's TV credits include American Crime Story, Supernatural, New Girl and Criminal Minds.
Behr's TV credits include being a lead in the original Roswell TV series, most recently recurred on Roswell, New Mexico, the second TV adaptation of the Roswell High book series by Melinda Metz.
The sixth and final season of Supergirl premieres March 30th on the CW.