grey appeared as a panelist for the television game show "what's my line?" in the 1967 season, as well as being the first mystery guest during its syndication in 1968. he was the guest star for the third episode of "the muppet show" in its first season in 1976, singing "razzle dazzle" from "chicago" and "willkommen" from "cabaret". he also played master of sinanju chiun, remo's elderly korean martial arts master in the movie "" (1985), a role that garnered him a saturn award and a second golden globe nomination for best supporting actor. chiun's character was popular for the lines "meat of cow kills", and "you move like a pregnant yak", from the movie. in 1991, he played adam, a devil, in the final episode of the television series "dallas" (1991). that same year, grey also appeared in the american repertory theatre's production of "when we dead awaken" at the "sao paulo biennale". in 1993 he starred in new york stage & film's production of john patrick shanley's "a fool and her fortune" and received an "outstanding guest actor in a comedy series" emmy nomination for his recurring role as jacob prossman on the television series "brooklyn bridge". in 1995, he made a guest appearance on "" as an aging rebel seeking to free his (deceased) daughter from prison. in 1999, he starred in brian friel's "give me your answer, do!" mounted by roundabout theatre company.