 However, the acting dreams only increased as she strolled by the coast of Lake Constance and had only gotten worse by the time she returned.Carrying a tremendous personal shyness and insecurity (which came to define and restrict her private persona all her life) she secretly applied for the Royal Dramatic Theatre's acting school in Stockholm (in 1934) – and was admitted on first try, at age 21.Gunn Wållgren's first major role at the Royal Dramatic Theatre as ""premiere actress"" became the playful daughter Mildred in Eugene O'Neill's beautiful play "Ah, Wilderness!"