Boss is an American political drama television serial created by Farhad Safinia. The series stars Kelsey Grammer as Tom Kane, the mayor of Chicago, who has recently been diagnosed with dementia with Lewy bodies, a degenerative neurological disorder. Kelsey Grammer, Connie Nielsen, Jeff Hephner, Kathleen Robertson, Troy Garity, Sanaa Lathan, Jonathan Groff Added on Amazon Prime 2023-05-12. Youtube Trailer