Ricky Hui was born in Panyu, Guangdong, China on August 3, 1946. Ricky and his family moved to Hong Kong in 1950. His father played the violin and his mother loved Cantonese opera, therefore, Ricky and his siblings loved music and acting. Ultimately, Ricky and his brothers, Michael Hui and Samuel Hui, went into the entertainment industry. All three would appear in a score of comedy movies together. Ricky has also appeared in a number of vampire and horror movies, starring opposite Ching-Ying Lam as his apprentice.

Ricky is also a singer, and has released seven albums. He also wrote some songs for his brother Sam and has appeared in his concerts. In addition, Ricky appeared in stage productions. In 2001, a documentary was released, telling of Hong Kong's entertainment, called the "Laughing Kaleidoscope." It featured Ricky and other various artists on stage. In 2004, Ricky participated at the Sing Along Golden Hits Encore Concert and, in 2006, participated at the "Rosanne in Starry Night Concert."

Like his brothers, Ricky remains one of the most reputable celebrities in Hong Kong Show Biz.