TV When the Sun Shines When the Sun Shines /10 by 0 users Tin Kai-On moves to Hong Kong from his hometown and initially resents his father's new wife, but gradually comes to accept her. Kai-On lives with his cousin, who dislikes him, and befriends his cousin's sister, who is tomboyish. Kai-On also has a crush on his neighbor, who initially rejects him. Kai-On, his cousin, and a childhood rival eventually become close friends and start a successful business together. Details Casts Posters Images Title When the Sun Shines Alternative Titles First Air Date 1990-07-10 Last Air Date 1991-02-04 Number of Episodes 150 Number of Seasons 1 Genres , Networks TVB Jade, Casts Roger Kwok Chun-On, Hacken Lee, Wing Lam, Isabel Leung Pooi-Woo, Joseph Lee Kwok-Lun, Cheung Fung-Lei, Dickson Lee Kar-Sing, Kiki Sheung, Chang Gan-Wing, Sarah Wong, Wong Man-Biu Plot Keywords , Roger Kwok Chun-On Hacken Lee Wing Lam Isabel Leung Pooi-Woo Joseph Lee Kwok-Lun Cheung Fung-Lei Dickson Lee Kar-Sing Kiki Sheung Chang Gan-Wing Sarah Wong Wong Man-Biu Chui Jing-Hong Bonnie Chiu Hok-Yee Derek Kwok Jing-Hung Ella Chan Bo-wa Kwan Chiu-Chung May Che Yuet-Mei Mannor Chan Kenneth Chan Helena Law Lan Gigi Lai Chi Noel Leung Law Kwok-Wai Carina Lau Francis Ng Chun-Yu Woo Fung Sandy Lam Wong Hoi-Yan Perrie Lai Hoi-San Wong Yat-Fei Yu Miu-Lin Michael Chow Man-Kin Chang Hong-Sang Ou-Yang Sha-Fei Leung Oi Teresa Ha Ping Lily Leung Shun-Yin Gordon Lam Ka-Tung Felton Law Gwan-Joh Gregory Charles Rivers Sam Leung Kin-Ping Tang Yu-Chiu Vivian Tsang Mak Chi-Wan