Why Karen Grassle never showed up in music video of Godley & Creme's Cry

Karen Grassle: Karen Trust Grassle (born February 25, 1942) is an American actress, known for her role as Caroline Ingalls, the wife of Michael Landon's character and the mother of Melissa Sue Anderson’s and Melissa Gilbert's character, in the NBC television drama series Little House on the Prairie.[1] Cry: "Cry" is a song released by the English music duo Godley & Creme on 11 March 1985. It was included on the duo's album The History Mix Volume 1. The song reached number 16 on the Billboard Hot 100 chart, becoming Godley & Creme's lone Top 40 hit in the US apart from their former band, 10cc. It reached No. 19 on the UK Singles Chart. The duo also directed the song's music video, which featured faces blended into each other using dissolving and wiping effects.