Peggy Converse's film, stage, and television career spanned nearly seven decades. In each of these venues, she frequently played alongside her husband, Don Porter (best known for his roles in Gidget (1965) and The Ann Sothern Show (1958)). She began acting in high school productions and later in college, graduating from Stanford University in 1927.

She played more than 100 roles onstage, including "The Infernal Machine" on Broadway and "The Taming of the Shrew" at the Greek Theater (Los Angeles). With her husband, she toured the USA and Canada in shows such as "Any Wednesday", "The Best Man", and "Love and Kisses". She published poetry and was an active member of Planned Parenthood, the American Women for International Understanding, and the Hemlock Society. She died at the age of 95 at her Los Angeles home.