All of the cast have 说 they will do 发胶 2, but john travolta claims to have 说 he isn't doing the sequel,isn't he?

He isn't doing the sequal. When they were filming the first movie all the cast and crew would tease him and stuuf. There's also a rumor that Michelle Phiferrer might not return either.

he will do the sequel otherwise he would let all of his 粉丝 down its true people think hes a great rolemodel but if he doesent do it he is 1less fan