Green ("Austin Powers") will play a paranoid former child star with a bad temper who steals Jack's (Sean Hayes) idea for a TV talk show. Baldwin will play a businessman who offers Will (Eric McCormack) a high-paying job and Stoltz will play one of Grace's (Debra Messing) former lovers.
Former "Who's the Boss" star Danny Pintauro will also appear in the episode, playing himself.
Variety said Green would shoot the episode while he also finishes post-production on his upcoming Cartoon Network/Adult Swim series "Robot Chicken." Green is also part of the original voice cast that has returned for the revival of the animated comedy series "Family Guy."