<Li> Mary - Louise Parker as George Minchak, a specialist in candidate - vetting for Foley . </Li> <Li> Asia Kate Dillon as Taylor Amber Mason, a nonbinary analyst at Axe Capital, who becomes close to Axe and is appointed CIO of Axe Capital . (Season 2) Taylor is widely considered to be the first nonbinary character on mainstream North American television . </Li> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 12 </Td> <Td> January 17, 2016 (2016 - 01 - 17) </Td> <Td> April 10, 2016 (2016 - 04 - 10) </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> 12 </Td> <Td> February 19, 2017 (2017 - 02 - 19) </Td> <Td> May 7, 2017 (2017 - 05 - 07) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr>

How many episodes in season 1 of billions