John Cho: John Cho. Actor: Star Trek. John Yohan Cho was born in Seoul, South Korea, and moved to Los Angeles, California as a child. His father was a Christian minister. Cho was educated at Herbert Hoover High School at Glendale, before moving on to the University of California at Berkeley, where he studied English literature. Upon graduation, he moved back to Los Angeles, working for a while as a teacher at...