The actor playing Carl Sr. in the Hardees/Carl’s Jr. Commercial “Senior Returns” from 2017 is:
Charles “Chip” Esten
Charles’ IMDB Page
Esten is a television and movie actor known for his roles in the television series Nashville and The Office. Chip also appeared in many episodes of the improv TV show Whose Line is it Anyways? and Drew Carey’s Improv-A-Ganza.