Bye Bye Birdie  [Revival, Musical, Comedy]

Performer: John Treacy Egan [Bar Quartet];
Performer: John Treacy Egan [Parent/Reporter]

The Little Mermaid  [Original, Musical, Fantasy]

Performer: John Treacy Egan [Chef Louis];
Performer: John Treacy Egan [Ensemble ]

Chess  [Revival, Special, Benefit, Concert, Drama]

Performer: John Treacy Egan [Ensemble]

The Producers  [Original, Musical, Comedy]

Performer: John Treacy Egan [Max Bialystock] - Replacement
(Dec 13, 2004 - Dec 20, 2004);
Performer: John Treacy Egan [Roger De Bris] - Replacement
(Apr 25, 2003 - Oct 5, 2003);
Performer: John Treacy Egan [Franz Liebkind] - Replacement
(May 4, 2002 - Apr 24, 2003);
Understudy: John Treacy Egan [Franz Liebkind] - Replacement;
Understudy: John Treacy Egan [Max Bialystock] - Replacement;
Understudy: John Treacy Egan [Roger De Bris] - Replacement

Jekyll & Hyde  [Original, Musical, Drama]

Performer: John Treacy Egan [Groom];
Performer: John Treacy Egan [Mike];
Understudy: John Treacy Egan [General Lord Glossop];
Understudy: John Treacy Egan [Rupert];
Understudy: John Treacy Egan [John Utterson] - Replacement