He was best known for his role as Hey Boy on the CBS television series Have Gun – Will Travel and as Dr. Li in the film version of the Rodgers and Hammerstein musical Flower Drum Song.

He appeared in many television shows, including The Man from U.N.C.L.E., The Big Valley, The Time Tunnel, The Final War of Olly Winter, and I Spy.

After serving in World War II in an OSS intelligence unit, he became involved in efforts to raise awareness over gun violence.

[2][3] He also owned and operated a restaurant called Shanghai Lil's in San Francisco.

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