Bronstein, a bit of a cult figure in the film world, made her directorial debut in 2008 at the SXSW festival with “Yeast,” which featured a pre-fame Greta Gerwig and was hailed by by New Yorker critic Richard Brody as a “mumblecore classic.”

What will surely go down as one the most stressful movies of the year is “If I Had Legs I’d Kick You,” which premiered Friday at the Sundance Film Festival.

Rose Byrne plays a mother in the midst of a breakdown in the experiential psychological thriller “If I Had Legs I’d Kick You.”Anticipation was high for the A24