Diana, Princess of Wales divorced on August 28, 1996.
Dr. Anthony `` Tony '' Gates is a fictional character on the television series ER .. ER ( TV series ). He is portrayed by John Stamos .. John Stamos. John Stamos. Stamos was originally going to be introduced on ER in Season 12 as Dr. Tom Beck , an unorthodox new ER Chief who would alternately clash with and impress the ER regulars .. ER ( TV series ). Because Stamos was not available for an extended stint on the show at that time , his character was retro-fitted as a paramedic who would be introduced in that field for a few Season 12 appearances before becoming a series regular for Season 13 .