Mars Attacks: Jack Nicholson as President James Dale considers the ramifications of Martians entering the earth's atmosphere.

Mars Attacks: The president's principle scientific advisor, Professor Donald Kessler. He's certain the Martians are benevolent.

Mars Attacks: Jack Nicholson liked this script so much he offered to play every character, so director Tim Burton let him play two. Here he is as Art Land, a huckster with a plan to open a new casino in Vegas.

Mars Attacks: President Dale's down-to-earth daughter, Taffy.

Mars Attacks: Donut World.

Mars Attacks: Richie Norris (Lukas Haas) watches the news about the Martians on TV at Donut World.

Mars Attacks: Social reporter Nathalie Lake prepping for a grueling day at work.

Mars Attacks: Nathalie's Chihuahua, Poppi, played by Tim Burton's and Lisa Marie's dog at the time.

Mars Attacks: Louise Williams, Byron's ex-wife and a Washington bus driver, scolds her wayward boys.

Mars Attacks: Martian saucers stream toward earth.

Mars Attacks: Nathalie's interview of Professor Kessler is interrupted by a Martian broadcast.

Mars Attacks: President Dale and First Lady Marsha gape at the Martian broadcast over dinner.

Mars Attacks: Ritchie's (Lukas Haas) farewell to the Norris family hero, brother Billy Glenn.

Mars Attacks: The Norris family watches Billy Glenn go off to defend his country and planet: Grandma, Ritchie (Lukas Haas), mom, dad and Billy Glenn's girlfriend, Sharona.

Mars Attacks: President Dale and Press Secretary Jerry Ross.