Writer/director Joe Swanberg believes in the healing powers of conversation. He’s built a career with semi-improvised features that highlight loquacious characters enduring personal crises, with recent efforts “Happy Christmas” and “Drinking Buddies” helping the helmer to prominence, refining his skill with bigger, brighter casts and a creative maturation that gives Swanberg plenty of grass to mow when it comes to the vast field of thirtysomething discontent. “Digging for Fire” assembles a Justice League of famous faces to help sell a tale of physical and emotional discovery, but familiar faces are only a small part of the pleasures found in this odd picture, which enjoys the art of exploration, achieving genuine dramatic surprises in a fresh, inviting manner. Read the rest at Blu-ray.com