John Francis "Jon" Cassar is a Maltese-Canadian television director and producer, known for his work on the first seven seasons of 24. In 2006, he won the Primetime Emmy Award for Outstanding Directing for a Drama Series for his work on the episode "Day 5: 7:00 a.m. – 8:00 a.m.". In 2011, he produced and directed all episodes of the Canadian-American miniseries The Kennedys, for which he won the Directors Guild of America Award for Outstanding Directing – Television Film and was nominated for the Primetime Emmy Award for Outstanding Miniseries or Movie.
Cassar at the 2014 San Diego Comic-Con
24 is an American action drama television series created by Joel Surnow and Robert Cochran for Fox. The series stars Kiefer Sutherland as US counter-terrorist federal agent Jack Bauer. Each season covers 24 consecutive hours in Bauer's life using the real time method of narration, which is emphasized by the display of split screens and a digital clock. The show premiered on November 6, 2001, and spanned 204 episodes over nine seasons, with the series finale broadcast on July 14, 2014. In addition, the television film 24: Redemption aired between seasons six and seven, on November 23, 2008. 24 is a joint production by Imagine Television and 20th Century Fox Television.
An example of a 24 split screen with the running clock, from the season 7 finale
Kiefer Sutherland's portrayal of Jack Bauer revived his career and won many awards.