Entertainment: TV Andy Richter to guest on 'Happy Endings' January 21, 2013 | 9:49 am Leave a comment Andy Richter is set to guest star on ABC's "Happy Endings." TV Line is reporting that Richter will play Penny's (Casey Wilson) dad. The longtime sidekick to Conan O'Brien is set to appear in an episode which will air this spring. Sign Up for the Daily E-dition newsletter! Please enter your email address below to begin receiving the Daily E-dition newsletter. You must enter a valid email address in the field above! Thank you for signing up for the Daily E-dition newsletter! You should receive your first newsletter very soon. We're sorry, there was an error processing your newsletter signup. Please click here to visit our Newsletter Signup Center to register for this newsletter.