Paula Malcomson will guest star in an upcoming episode of Private Practice, TV Guide reports. She'll play the wife of a convicted killer on death row and nearing execution.

While Violet (Amy Brenneman) attempts to help her accept her husband's impending death, Malcomson's character obsessively seeks seeks a stay of execution for him.

The actress has recently appeared in such series as Deadwood and Caprica, had stints on Lost and The Event and recurred on the third season of Sons of Anarchy.

Malcomson will appear in the 14th episode this season, titled "Home Again."

The next new episode, "Heaven Can Wait," which was bumped last week for an encore presentation of Off the Map, is the 12th of the current season, and is currently scheduled for February 3, right after the next new Grey's Anatomy.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.