For reference here are the screen time numbers per regular character. For reference purposes Drizella, Alice, Gothel, and Robin were included despite not being regulars in this season. Former main cast are be counted on a different graph.
Please remember that screen time doesn’t necessarily reflect the importance of those characters to the story. Adam rightly points out that Darth Vader has very little screen time in the original Star Wars movie and Rumple only has a couple of minutes of screen time in the pilot.
Editor’s Note: This graph counts Henry/Wish Henry and Rumple/Wish Rumple together. If you are curious I have break down graphs but this is done here to be consistent with previous rules set for the screen time graphs.