David Gail, best known for starring as Dr. Joe Scanlon on “General Hospital” spinoff “Port Charles,” died last week of “complications from sudden cardiac arrest.” He was 58. Gail, who also appeared in series including “Beverly Hills, 90210” and “ER,” was on life support for several days before he was pronounced dead, a representative for his family said in a release obtained by People. “The family has no reason to suspect the cause of his death was anything but heart failure,” read the release. “David will be remembered for his love of acting and his absolute passion and dedication to his frie…