Will Forte displays even deeper dramatic ability following “Nebraska” — and reveals himself as a surprisingly appealing romantic lead — in the small, Irish gem “Run & Jump.” But the even greater revelation is Maxine Peake, who’s radiant as a housewife and mother of two struggling to maintain her optimism after her husband’s stroke. (But it’s a comedy! I swear! Sorta ….) My RogerEbert.com review.