A basic cable stalwart and occasional supporting player in studio comedies, Nick Kroll aims for the big leagues with “Adult Beginners,” cooking up starring role for himself that demands a full display of his dramatic range. It’s a test Kroll doesn’t necessarily pass, but he’s smart enough to surround himself with more capable actors who can transform the screenplay’s addiction to cliché into convincing emotion. “Adult Beginners” has a lot of laughs and sharp understanding of the demands of parenthood, but every time it steps outside of its comfort zone to address more sophisticated feelings concerning maturation and grief, it loses its personality, resembling any other effort that takes on the pressures of man-child development. Read the rest at Blu-ray.com