The well-acted, confidently crafted indie “Scrap” probes messy family dynamics with low-key but taut acuity, avoiding the usual poles of dysfunctional-clan comedy or high drama driven by yelling matches and shocking revelations. Since premiering at the 2022 Deauville Film Festival, American writer-director Vivian Kerr’s debut feature has been kicking around the festival circuit for more than two years, in which time she’s completed a sophomore effort (period thriller “Seance”). Though she plays the leading role in both, this is no vanity project, her own character being perhaps the least sympathetic among several awkwardly interlocked lives in Los Angeles. Kerr is self-distributing this credible depiction of “hidden” homelessness and problematic sibling dependencies, which hits on-demand platforms Dec. 13.
Beth (Kerr) is introduced waking up in what turns…