They reprised many of those roles when the operas were adapted for the screen between 1951 and 1968. The only two made into movies are Li Yi (李益) in "The Legend of the Purple Hairpin" and Zhou Shixian (Chinese: 周世顯) in "Tai Nui Fa". However, some of Yam's other roles like Liu Mengmei (Chinese: 柳夢梅) in the Cantonese opera version of "The Peony Pavilion" and Pei Yu (Chinese: 裴禹) in "The Reincarnation of Lady Plum Blossom" were never made into movies. The later is available only in vocal record. Her Liu Mengmei (Chinese: 柳夢梅) was never recorded for commercial purpose with Bak Sheut Sin.