Sisley Choi (蔡思貝) attended an environmental friendly event on 21st September 2019. When asked if her scenes were reduced in Line Walker 3 (使徒行者3) drama as TVB planned to groom Serene Lim (林宣妤), Sisley replied it was rumour only: “The reviews from Line Walker 2 series is excellent and I feel very honoured to participate in the third season. I am working with Raymond Lam (林峯), Michael Miu (苗僑偉), Owen Cheung (張振朗), Mandy Wong (黃智雯) and Kenneth Ma (馬國明).