We always recommend approaching problems with the protagonist by marrying his/her flaw to the plot.

It’s Annie’s character, for example, that causes the plot in Bridesmaids to happen the way it does. A different woman than Annie might just carry out her Maid of Honor duties without a hitch and have a blast doing so, but Annie doesn’t. 

Here are some resources that will help you strengthen your protagonist, antagonist, stakes character and minor characters: 

• The Missing Link In the Conflict Between Your Protagonist and Antagonist
  
  
• Why Your Script Characters Feel Flat and How to Fix It
   
• Why Creating A Character Bio Isn’t a Good Starting Point and What To Do Instead
  
  
• Screenplay Character Arc and Demystifying a Character’s Wants and Needs
  
  
• How to Stress-Test Your Main Character by Adding a Fatal Flaw
  
  
• Make Screenplay Character Development 100x Easier With This #1 Hack

If you'd like one of the professional screenwriters in our team help you with your screenplay's characters (among other things) check out our range of script coverage services.