《All happy》Cast

Nancy Sit Ka Yin (Chinese: 薛家燕, MH born 30 March 1950) is a Hong Kong actress on the TVB network. Her acting career dated back to the 1960s, when she was a popular teen idol alongside Connie Chan Po-chu, and Josephine Siao. Sit recorded many albums in her teens, and later served as a mentor to Anita Mui, who went on to become one of the biggest superstars in Hong Kong history.

Law Lok-lam (Chinese: 羅樂林, born 20 October 1948) is a veteran Hong Kong character actor currently under Television Broadcasts Limited (TVB) management. A versatile actor who has acted in many Hong Kong television dramas since the 1970s. He has been in so many dramas that he became internationally known as "the actor that died 5 times in one day or 24 hours" when five dramas he starred in were broadcast on the same day showing him in dying scenes. Law originally joined TVB in 1976 as a film extra, but left the same year to return to rival station Commercial Television (CTV). Almost a decade with another rival station Asia Television (ATV), he returned to TVB in 1990. He was one of five artistes awarded the "TVB Professional Actor Awards" in 2014 for his many years as a dedicated TVB employee.

Frankie Lam Man-lung (born 19 December 1967) is a Hong Kong actor. He entered a singing contest and subsequently, signed a contract with TVB. He left TVB in 2011 to join HKTV.

Bernice Jan Liu (born January 6, 1979) is a Canadian actress, singer, and commercial model based in Hong Kong. She has previously held the title Miss Chinese Vancouver 2000 as well as Miss Chinese International 2001, the latter position bringing her fame in Hong Kong.