Ally Sheedy - Jennifer Katherine Mack — WarGames

WarGames is a 1983 American techno-thriller film directed by John Badham, written by Lawrence Lasker and Walter F. Parkes, and starring Matthew Broderick, Dabney Coleman, John Wood and Ally Sheedy. Broderick plays David Lightman, a young computer hacker who unwittingly accesses a United States military supercomputer programmed to simulate, predict and execute nuclear war against the Soviet Union,