Tanya Roberts - Girls naked swimming in the movie are German actresses Jeanette Hain and Karoline Herfurth. Two Super Cute Girls Do An Amazing Webcam Show. Tanya Roberts - Girls naked swimming in the movie are German actresses Jeanette Hain and Karoline Herfurth. Highly personal and private photographs from her mobile phone were posted on several celebrity gossip websites yesterday April 16. Karoline Herfurth on Instagram: Contents.