Securing a gig as a guest star on Friends was probably a pretty special thing for actors in the ‘90s and early aughts, as the sitcom boasted cameos from a number of A-listers including Brad Pitt, Bruce Willis, Reese Witherspoon and more. But it wasn’t an easy job, as even people like Tom Selleck have admitted to being “scared to death” to join the ensemble. Full House star John Stamos endured his own embarrassing moment when he appeared in a Season 9 episode, and he recalled how Matthew Perry totally saved him.
