You know, Stephen says, in the movies no one ever goes to the bathroom. They shave, they brush their teeth. He goes right at this sort of funny taboo we have about the bathroom, and he turned it into this nightmare, you know, your worst fear of what's in there.

He has received four Academy Award nominations for screenplays to The Big Chill Grand Canyon and The Accidental Tourist for which he also earned a nomination for Best Picture. He was a student of Professor Kenneth Thorpe Rowe. He is best known as the co-writer of Star Wars Episode V: The Empire Strikes Back Raiders of the Lost Ark and Star Wars Episode VI: Return of the Jedi.

He is best known as the co-writer of Star Wars Episode V: The Empire Strikes Back Raiders of the Lost Ark and Star Wars Episode VI: Return of the Jedi. Kasdan has been confirmed to be a consultant for the upcoming third trilogy of Star Wars
He is the father of directors Jake Kasdan and Jon Kasdan and the father-in-law of musician Inara George.