The actor doing the voiceover for the Oscar Mayer commercials is:
Chris Parnell IMDB
Chris Parnell provides the voice in several animated television shows. Most notably Chris Parnell provides the voice of “Cyril Figgis” in the hit series Archer. Chris was also a long time cast member of Saturday Night Live (until 2012). In addition to this commercial Parnell also provides the voice of the box in the certain Progressive Insurance commercials.
The actor playing the father in the new Oscar Mayer commercials is still:
Ben Weber IMDB