Sharon Garber Felder, assistant to direct-producer Robert Zemeckis on films including “What Lies Beneath,” “Cast Away,” “The Polar Express,” “Monster House,” “Beowulf” and 2009′s “A Christmas Carol,” died on Sunday, Nov. 4, following a 2 1/2 year battle with cancer. She was 59.Felder most recently worked on Zemeckis’ thriller “Flight,” released this past weekend. Her association with Zemeckis dated back to the “Back to the Future” film franchise, and she was an employee of his production company, ImageMovers, for 23 years. Born in Seattle and an L.A. native since age 4, Felder graduated from the U. of Puget Sound. She is survived by her husband, Jimmy Felder; two sons, a daughter and their respective spouses; two grandchildren; her mother; and her brother. Services will be held Wednesday, Nov. 7, at 10 a.m. at Leo Baeck Temple, 1300 N. Sepulveda Blvd., Bel Air. Call Malinow & Silverman Mortuary for information. Donations may be made to the Pancreatic Cancer Action Network, 1500 Rosecrans Ave., Suite 200, Manhattan Beach, CA 90266.