`` Little House on the Prairie '' actor dies of cancer at 69 . The Associated Press reports that he died in his sleep Saturday night after a long battle with cancer. `` It was Olsen 's hard luck to perform for many mediocre teams in Los Angeles -- he never won a Super Bowl -- but he had as much to do as any other individual with glamorizing defensive football in the NFL , '' his NFL biography says . Olsen starred in `` Father Murphy '' on TV and was spokesman for FTD .
`` Little House on the Prairie '' actor dies of cancer at 69 . The Associated Press reports that he died in his sleep Saturday night after a long battle with cancer. Olsen starred in `` Father Murphy '' on TV and was spokesman for FTD .