According to TVLine, Jonas will play Ryan, the absentee father of Mike Baxter's (Tim Allen) grandson. Jonas will appear in the Christmas-themed episode of the ABC comedy.
Jonas popped up on Matthew Perry's 'Mr. Sunshine' and recently filmed a guest appearance for NBC's midseason musical drama, 'Smash.'
He'll be appearing in 'How to Succeed in Business Without Really Trying' on Broadway starting this winter.
In other casting news ...
It's a '227' reunion on 'Southland'! Marla Gibbs will guest star as Granny, a relative of a murder suspect. 'Southland' star Regina King appeared opposite Gibbs on '227.' The two will share scenes. [TV Guide]
'Alias' veteran David Anders is making a 'House' call. Anders will play the patient of the week in the episode that also features guest star Jeffrey Wright. [TVLine]
Jessie J will appear on 'The X Factor.' She'll perform 'Domino.' [EW]
'Hung' actor Stephen Amell will recur on 'Private Practice.' He'll play Scottie, a paramedic and potential love interest for one of the main characters. [THR]
Sean Astin is heading to 'Franklin and Bash.' Astin will play a college security guard by day, vigilante by night. [TVLine]
'True Blood' actor Kevin Alejandro will bust out of jail on 'Breakout Kings.' He'll play an inmate dying of cancer who escapes prison and goes on a killing spree. [EW]
Torrey DeVitto, the real-life wife of 'Vampire Diaries' star Paul Wesley, will recur on The CW series. She'll likely play Alaric's love interest. [Zap2It]