Ann-Margreth Frei
Ann-Margreth Frei, also known as Frei-Käck or Frei-Hall, is a Swedish former competitive figure skater. She is a two-time Nordic champion and a three-time Swedish national champion. She competed for Sweden at the 1964 Winter Olympics in Innsbruck, placing 21st.
Frei lived in Switzerland from the age of six to 18. As of 2016, she is a coach at the Skating Club of Vail in Vail, Colorado.