* In a specific role: If you're asking who replaced her in a particular film, play, or television show, you'll need to provide more context. For example, who replaced her as "M" in the James Bond films? (That would be Ralph Fiennes)
* In a specific organization: If you're asking who took over her position in a specific organization, you'll need to specify which one.
* As an actress: No one can truly "succeed" Judi Dench as an actress. She's a legendary performer with her own unique talent and style. It's more accurate to say that other actresses are continuing to make their own mark on the world of acting.
Please provide more information about what you're asking so I can give you a more specific answer.