Zaphod Beeblebrox is played by -
Sam Rockwell (born November 5, 1968) is an American actor known for his leading roles in Lawn Dogs,
Confessions of a Dangerous Mind, Choke, The Hitchhiker's Guide to the Galaxy, Moon and Seven Psychopaths,
as well as for his supporting roles in The Green Mile, Iron Man 2, Frost/Nixon, Galaxy Quest, Matchstick Men,
The Assassination of Jesse James by the Coward Robert Ford, Conviction, Cowboys & Aliens and The Way, Way Back.