Though played by several actresses , soap veteran Robin Mattson , who stepped into the role in 1980 , is most known for her portrayal of Heather .
The character was first introduced in the summer of 1976 .
Though played by several actresses , soap veteran Robin Mattson , who stepped into the role in 1980 , is most known for her portrayal of character .
The character was first introduced in the summer of 1976 .