Colin Jost is an American actor, comedian and writer, best known for his work as a writer in the American late-night variety show Saturday Nights Live. An alumnus of Harvard University, Jost was hired by NBC as a copywriter in 2005. He made his film debut as a writer and actor with the 2015 comedy movie Staten Island Summer. In 2019, Jost married his longtime girlfriend and actress Scarlett Johansson. His 2021 release includes the action animation comedy movie, Tom & Jerry.