Improv-inspired action-comedy Deep Cover is making it up as it goes along

A film about improv comedians who become undercover agents is a slightly more inspired premise than the humorless title Deep Cover would suggest. But perhaps casting Bryce Dallas Howard as a veteran improv teacher only bolsters this disconnect in concept and execution. Directed by Tom Kinglsey (who’s mostly done TV comedies like Ghosts and Stath Lets Flats), Deep Cover follows Howard’s character, Kat, a comic hopeful who’s started to see her prime in her rearview. She manages her days as an American...