Darth Vader: Sith lord, murderous imperialist, deadbeat dad ... dirty old man?

Maybe Harry Potter should have brought a note from his parents saying he would be missing school.

It took four of Hollywood's biggest stars to take down Batman. The DreamWorks-Paramount comedy "Tropic Thunder" _ with Ben Stiller, Robert Downey Jr., Jack Black and Tom Cruise _ debuted at No. 1 with $26 million, bumping "The Dark Knight" to second place after four weekends on top, according to studio estimates Sunday.

Bill Murray landed in Chicago on Friday like he never had before _ by jumping from an airplane 13,500 feet up. The 57-year-old actor took several deep breaths before stepping out the open doors of a C-31 Fokker and dropping at about 120 mph to the city's lakefront with members of the Army Golden Knights Parachute Team.