Year of Penny continues! 'Party Down' and 'Veronica Mars' star Ryan Hansen will guest star on 'Happy Endings,' according to TVLine.

Hansen, who most recently starred in NBC's short-lived 'Friends With Benefits,' will play a new beau Penny attempts to help out in the style department.

In other casting news ...

After fan petitions and strongly worded letters from Michael Jackson's estate, Discovery has canceled its planned special about Jackson's autopsy.

The special was to air in the United Kingdom on Jan. 13. "Given the commencement of legal proceedings beginning next week, and at the request of Michael Jackson's estate, the scheduled broadcast of the medical documentary related to Michael Jackson's official autopsy has been postponed indefinitely," Discovery Networks International said in a statement.

According to Reuters, John Branca and John McClain, co-executors of Jackson's estate, were pleased with Discovery's decision.

In other TV news ...

• Diego Klattenhoff has joined the cast of Showtime's 'Homeland.' Klattenhoff will play Mike Faber, a Marine and friend of Damian Lewis' character, Scott Brody. The series stars Claire Danes as a CIA agent who suspects the Scott Brody character is planning an attack on the US. [Hollywood Reporter]

• Veteran actor Pete Postlethwaite has died. Postlethwaite appeared in 'Inception,' 'The Usual Suspects' and countless more films. He also starred in a number of TV miniseries including 'Criminal Justice' and 'The Sin.' [Variety]

• Oprah has named the finalists for 'Your OWN Show.' They include Zach Anner, a wheelchair-bound travel guide, a Texan minister who lived on the streets after dropping out of high school and three people trying to get their own cooking show. More than 9,500 people submitted video entries. The first episode of the competition is set to air Jan. 7. [New York Times]

J.B. Smoove was on 'The Bonnie Hunt Show' (weekdays, syndicated) Tuesday to plug this weekend's opening of 'Date Night,' he which he plays a cabbie alongside Tin Fey and Steve Carell, and the topic shifted to bugs.

Smoove has a thing for mosquitoes -- he hates them (but then who doesn't) and riffed some funny bits on the insects. "I never trust mosquitoes at all," he told Hunt. "Ever see a mosquito?" Smoove jumped up and imitated a mosquito flying; mosquitoes, in his opinion, move "like horny old men."

Watch the video after the jump.