Marshall Wortman, a labor relations consultant who held positions at NBC, Goldwyn Studios, Universal Studios and 20th Century Fox, died Dec. 13 in Los Angeles of natural causes. He was 81.Wortman served as a director of business affairs at NBC, and as a studio manager and assistant to the president at Goldwyn Studios. He additionally acted as labor relations director for Universal Studios, managing director of Universal Pictures and senior vice president of industrial relations, studio operations and personnel for 20th Century Fox. Wortman actively served on several industry trust funds including the Directors Guild, Screen Actors Guild and Writers Guild, and was vice chairman of the Motion Picture and Television Fund Hospital. A member of the Air Force during World War II and the Korean campaign, Wortman was awarded the Distinguished Flying Cross and the Air Medal. He is survived by his wife, a daughter, a son, a brother and five grandchildren. In lieu of flowers, the family suggests that donations be made to the Motion Picture and Television Fund Foundation, 22212 Ventura Blvd., Ste. 300, Woodland Hills, CA 91364, or to the Marc Lustgarten Foundation for Pancreatic Research, P.O. Box 2141, New York, NY 10016.