Randolph Mantooth, who was best known for his starring role in the long-running television medical drama series "Emergency!," has died at the age of 80. His brother revealed this news to TMZ on Thursday, stating that Mantooth had been fighting various forms of cancer prior to his passing. [1] The outlet reported that Mantooth had appeared in numerous other TV shows and films throughout his career, including appearances in "The A-Team," "Hawaii Five-O," and "The Rockford Files." [2] Mantooth's death has sparked tributes from fans of the show, who remember him fondly for his portrayal of Dr. John Carter, a character known for his quick wit and medical expertise. [1] The actor had been living in Ventura, California, where he passed away on Thursday evening. His brother confirmed that Mantooth was surrounded by family when he died. [2] Despite the passing of this influential figure in television history, "Emergency!" continues to be a beloved series among fans who have watched it for decades.