Tyson Ritter will be back as Oliver Rome in the upcoming sixth (and final) season of NBC’s "Parenthood", the actor/rocker happily shared on Twitter:

"Happy to announce that I get to come back and reek havoc on the Braverman tribe once again! @nbcparenthood #floored!"

http://tvline.com/2014/08/13/veronica-mars-web-series-full-cast-returning/