If you try to use your own IMDbPro account to do this, you will first have to unclaim your IMDb name page, but that might not help because claiming somebody else's page requires having your IMDb name page listed as an agent on that person's name page. The process is actually somewhat involved.
By "as him", I mean leaving little box corresponding to "I'm not this person, but have permission to manage the page" unchecked. Otherwise the agent approach is to be used.
Jeorj Euler
Jeorj Euler
Andy Stapp