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What was Buddy Hackett's first job?
While a student, Buddy Hackett worked as a tummler entertaining guests in the Catskills Borscht Belt resorts.
Are there any other interesting aspects about the Buddy Hackett article?
While as a tummler entertaining guests in the Catskills Borscht Belt resorts, Buddy Hackett began performing stand-up comedy in the resort nightclubs as Butch Hacker.
Was Buddy Hackett's stand-up comedy in the Catskills Borscht Belt  resort nightclubs as Butch Hacker well received?
Buddy Hackett appeared first at the Golden Hotel in Hurleyville, New York, claiming later he did not get one single laugh.
Did Buddy Hackett have any flops?
In 1954 the playwright Sidney Kingsley asked Buddy Hackett to appear on the New York stage, including Viva Madison Avenue (1960) - which was a flop, although Hackett was favourably reviewed.

Question: did he have any other castings in his early career?
Self-contained rewrite: did Buddy Hackett have any other castings in his early career besides Viva Madison Avenue?