Jeanne Cooper played Katherine Chancellor on `` Young and the Restless '' Cooper played role for 39 years . Her death was confirmed by her son , actor Corbin Bernsen , on his Twitter account . Actress is mother of actor Corbin Bernsen . ` Hide Caption
Jeanne Cooper played Katherine Chancellor on `` Young and the Restless '' Cooper played role for 39 years . Actress is mother of actor Corbin Bernsen . ` Hide Caption