Conversation so far:
Where was Reeve born?
New York City.
Who were his parents?
the son of Barbara Pitney (Lamb) (1929-2000), a journalist, and Franklin D'Olier Reeve (1928-2013), a teacher, novelist, poet, and scholar.
What was his childhood like?
Reeve excelled academically, athletically, and onstage.
Where did he go to school?
Nassau Street School.
Was he a good student?
Reeve excelled academically.

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