. . "Heather Spratt played three parts on Coronation Street: \n* An unnamed fan of Walter Potts in January 1964 \n* Susan Halliwell in May 1967 \n* Granston Technical College student Mildred in August 1968. She also appeared in the 1966 Granada series You Can't Win and two episodes of Z Cars in 1970."@en . "Heather Spratt played three parts on Coronation Street: \n* An unnamed fan of Walter Potts in January 1964 \n* Susan Halliwell in May 1967 \n* Granston Technical College student Mildred in August 1968. She also appeared in the 1966 Granada series You Can't Win and two episodes of Z Cars in 1970."@en . . "Heather Spratt"@en . . .