Conversation so far:
What did Bradbury do in Hollywood?
Ray Bradbury lived about four blocks from the Fox Uptown Theatre on Western Avenue in Los Angeles, the flagship theater for MGM and Fox.
Where did Bradbury sneak in Hollywood?
Ray Bradbury learned how to sneak in and watched previews almost every week four blocks from the Fox Uptown Theatre on Western Avenue in Los Angeles.
What else did Bradbury do in Hollywood besides sneak in the Fox Uptown Theatre?
Sometimes, Ray Bradbury spent all day in front of Paramount Pictures or Columbia Pictures and then skated to the Brown Derby to watch the stars who came and went for meals.
Did Ray Bradbury meet any stars in particular?
Ray Bradbury recounted seeing Cary Grant, and Marlene Dietrich.

Question: Were there any other stars?
Self-contained rewrite: Were there any other stars that Ray Bradbury encountered besides Cary Grant, and Marlene Dietrich?