The Mammoth Lakes Film Festival has announced the lineup for its 12th annual event, which runs May 20-24 in the California mountain resort town. The festival will open with the Sierra Spirit Award being presented to Oscar winning actress Marlee Matlin , along with a 40th anniversary screening of “Children of a Lesser God.” The festival will close on May 24 with a screening of the Sundance Grand Jury Prize winner “Nuisance Bear,” followed by a Q&A with director Jack Weisman. In addition to 12