Actress Jane Seymour (Dr. Quinn, Medicine Woman) and actor Bryan Cranston (Malcolm In The Middle) will guest star in an upcoming episode of How I Met Your Mother airing Monday, Oct. 23 (8:30-9:00 PM, ET) on the CBS Television Network.

Seymour plays Professor Lewis, Marshall's sexy, older, recently divorced law professor who Barney propositions in an effort to earn Marshall better grades and Cranston guest stars as Druthers, Ted's mean boss who Lily tries to teach a lesson to while working in their office.