Conversation so far:
What type of drama shows did Barrowman star in?
Barrowman's television career began with several appearances in short-lived prime-time soap operas.
What role did he play in the soap operas?
Barrowman first starred as Peter Fairchild in Central Park West (1995) a show American film critic Ken Tucker calls "a tale of ritzy, ditsy New York City careerists.
What else did he do after starring in the soap operas?
On 25 March 2008, Barrowman made a guest appearance in episode 22 of the BBC's Hotel Babylon.
Did he have a successful career in prime time?
CANNOTANSWER.
What year was this?
CANNOTANSWER.

Question: How long did his career last in Prime Time?
Self-contained rewrite: How long did John Barrowman's career last in Prime Time?