David has been involved in theater in New Jersey since 1999. In 2001, David played the role of Jekyll/Hyde in the Long Island, New York and New Jersey non-Equity premieres of "Jekyll & Hyde." Additional musical theater credits include "Joseph And The Amazing Technicolor Dreamcoat" (Joseph), "Carousel" (Billy Bigelow), "City of Angels" (Stone) (2001 Perry Award nominee - Lead Actor in a Musical), "Children of Eden" (Adam/Noah), "How To Succeed In Business Without Really Trying!" (Bud Frump), "Annie" (Rooster), "The Secret Garden" (Neville) and "Fiddler on The Roof" (Perchik). For more information, visit David online at www.davidweitzer.com.
| Production/Role | Where | Opening Night |
| Les Miserables ......Jean Val Jean | Middlesex County Plays in the Park | 6/25/2013 |
| Children of Eden ......Adam / Noah | MOC Musical Theatre | 4/4/2003 |
| Ruthless ......Fredrick (Some Performances) | Battery Factory Theater | 2/28/2003 |
| Jekyll & Hyde ......Jekyll / Hyde | Phoenix Productions | 11/8/2002 |
| Blood Brothers ......Eddie | Chatham Players | 5/3/2002 |
| Jekyll & Hyde ......Jekyll / Hyde (some Performances) | Brundage Park Playhouse | 7/13/2001 |
| Joseph and the Amazing Technicolor Dreamcoat ......Joseph | HTC Productions | 5/4/2001 |
| City of Angels ......Stone | Villagers Theatre | 10/27/2000 |
| How to Succeed in Business Without Really Trying ......Bud Frump | Studio Players | 9/8/2000 |
| The Who's Tommy ......Captain Walker (Some Performances) | Allegro Productions | 10/1/1999 |
| Production/Credit | Where | Opening Night |
| Children of Eden ...... Produced | Morris County College | 4/11/2002 |