[6] LaPlanche became an actress, signing with RKO after she won the Miss America title.

[7] She appeared in films such as Angels' Alley and in episodes of television programs like The Donna Reed Show.

She and her husband had a daily TV program, the Harry Koplan-Rosemary LaPlanche Show, on KHJ in Hollywood.

[10] Subjects of her works included birds, deserts, flowers, seashores, sheep, and people.

[10] She was married to Harry Koplan from 1947 until his death in 1973, and had two children: a daughter Carol and son Terry.