RepairPal Certified shops can diagnose and repair your 2004 Honda Accord. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Worst case scenario , is the door panel will get damaged. Sounds like the latch mechanism is jammed and the door panel needs to be removed to gain access , not the easiest with the door closed , but it is possible. Remove the drivers seat to make it easier.
Read my initial answer again. Unless some details you missed mentioning, removing door panel and messing with latch is only way. Maybe YouTube for latch operation detail to help???
How do u unnamed mechanism