You, Me, Them, Everybody presents Jessica Hardy and Avant/Chicago editor Brent Kado’s Off the Cuff, a mockumentary about Chicago improv, screening tonight at 8 PM at the Hungry Brain, 2319 W. Belmont.  No cover.  $2 PBR.  Donations go toward the production of Hardy and Kado’s next film Welcome to Gentle Waters, another mockumentary about a rehab clinic that they’re shooting this August in North Lake, Indiana.