To be fair, from that list, Kristin Chenoweth, Mary-Louise Parker, and Audra McDonald are always looking to do some kind of theater whenever their TV gigs allow it. Other folks known to TV that always find a chance to go back to their theater roots include Jane Krakowski, Sarah Paulson, Harriet Harris, Victor Garber, and Alec Badlwin.
Either way, I rather see Jackson attempting to make it in the film industry. It is a lot easier for Broadway actors to alternate between film and Broadway rather than TV and Broadway since TV schedules are so strenuous.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"