Conversation so far:
Who played A.J. Quartermaine on General Hospital?
The role of A.J. Quartermaine on General Hospital has been most notably portrayed by actor Sean Kanan.
Who was cast as A.J. Quartermaine in 1983?
Abraham Geary portrayed A.J. April 16, 1983 continuing the part through Spring 1987.
What other actors played the role of A.J. Quartermaine besides Sean Kanan and Abraham Geary?
Some other actors that have played the role of A.J. Quartermaine on Genral Hospital include Eric Kroh, Jason Marsden, and Christopher Nelson.
Were there any other actors who played A.J. Quartermaine besides Sean Kanan, Abraham Geary, Eric Kroh, Jason Marsden, and Christopher Nelson?
Other actors that have portrayed A.J. Quartermaine are Justin Whalin, Gerald Hopkins, and Billy Warlock.
Were there any controversies with the casting of A.J. Quartermaine?
Billy Warlock, who portrayed A.J. Quartermaine, departed from the General Hospital series in December 2003, amongst rumors that he was fired after disputes with show executives.
Did those controversies with the casting of A.J. Quartermaine get resolved?
Billy Warlock exited the series in April 2005 and the character was killed off.

Question: What else is notable about this character?
Self-contained rewrite: What else is notable about A.J. Quartermaine's character?