William Alland (March 4, 1916 – November 11, 1997) was an American actor, film producer and writer, mainly of Western and science-fiction/monster films, including This Island Earth, It Came From Outer Space, Tarantula!, The Deadly Mantis, The Mole People, The Colossus of New York, The Space Children, and the three Creature from the Black Lagoon films. He worked frequently with director Jack Arnold. Alland is also remembered for his acting role as reporter Thompson, who investigates the meaning of "Rosebud" in Orson Welles's Citizen Kane (1941). (Via Wikipedia)
