Irene Tsu (born November 4, 1945, Shanghai, China) is an actress who started in the film Flower Drum Song in 1961.

A staff member of the producer David Merrick's office saw the performance and auditioned her for the Broadway musical The World of Suzie Wong and Tsu got a part.

Later Irene auditioned for choreographer Hermes Pan in the upcoming film adaptation of the musical Flower Drum Song.

[2] The choreographer brought Irene to Hollywood and she was a teenage dancer in the film Flower Drum Song (1961), directed by Henry Koster.

[2] He gave her her first speaking role as a teenage prostitute in his next film, Take Her, She's Mine (1963) starring James Stewart and Sandra Dee, which started her acting career.

On November 21, 1963, the evening before President John F. Kennedy was assassinated, Tsu's only appearance on Perry Mason was aired on CBS, as she played the role of defendant Juli Eng in "The Case of the Floating Stones."