Kurt Russell(I)

Said in his audio commentary for Les aventures de Jack Burton dans les griffes du mandarin (1986) that the test audiences reacted so well to the film that he thought for sure that he and director friend John Carpenter had a box office hit on their hands. However, the studio put so little effort into advertising the film that it ultimately didn't do as well at the box office but became a cult favorite instead.

[on why he won't marry Goldie Hawn] If it ain't broke, don't fix it.