Conversation so far:
Where was Christopher Reeve born?
Christopher D'Olier Reeve was born on September 25, 1952, in New York City.
Who were Christopher Reeve's parents?
Christopher D'Olier Reeve was the son of Barbara Pitney Lamb, a journalist, and Franklin D'Olier Reeve, a teacher, novelist, poet, and scholar.
What was Christopher Reeve's childhood like?
Christopher Reeve's childhood was riddled with divorce, but he excelled at academics. Reeve admitted that he put pressure on himself to act older in order to gain his father's approval.
Where did Christopher Reeve go to school?
Tristam Johnson enrolled Christopher Reeve and his brother, Benjamin, in Princeton Country Day School, which later merged with Miss Fine's School for Girls to become the co-educational Princeton Day School.
Was Christopher Reeve a good student?
Chistopher Reeve excelled academically, athletically, and onstage; he was on the honor roll and played soccer, baseball, tennis, and hockey.

Question: When did he get interested in acting?
Self-contained rewrite: When did Christopher Reeve get interested in acting?