Being There: Mr. Hollywood Jr., 1947: Adam D. Miller's review: "...with this, his latest release, Penn has delivered another solid album of great, infectious songs." 4 out of 5 stars.
MusicTap: Mr. Hollywood Jr., 1947: DW Dunphy's review: "...one gets the feeling Penn is holding back, like he sees the next phase looming in the distance but is hesitant to go there." Rated 3.5 out of 5 stars.
PopMatters: Mr. Hollywood Jr., 1947: Zeth Lundy's review: "Still, as elegantly constructed as it may be, something's missing..." Rated 5 out of 10.