<Li> Mozhan Marnò as Samar Navabi: A Mossad agent who works with Cooper's FBI team (season 2--present). </Li> <Li> Hisham Tawfiq as Dembe Zuma: Reddington's bodyguard and confidante (recurring, seasons 1--2; main, season 3--present). </Li> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Average viewers (millions) </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 23, 2013 (2013 - 09 - 23) </Td> <Td> May 12, 2014 (2014 - 05 - 12) </Td> <Td> 6 </Td> <Td> 14.95 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 22, 2014 (2014 - 09 - 22) </Td> <Td> May 14, 2015 (2015 - 05 - 14) </Td> <Td> 14 </Td> <Td> 13.76 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 23 </Td> <Td_colspan="1"> October 1, 2015 (2015 - 10 - 01) </Td> <Td> May 19, 2016 (2016 - 05 - 19) </Td> <Td> 22 </Td> <Td> 11.19 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 22, 2016 (2016 - 09 - 22) </Td> <Td> May 18, 2017 (2017 - 05 - 18) </Td> <Td> 30 </Td> <Td> 9.25 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 5 </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 27, 2017 (2017 - 09 - 27) </Td> <Td> May 16, 2018 (2018 - 05 - 16) </Td> <Td> 42 </Td> <Td> 8.41 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="2"> Nielsen ratings </Th> </Tr>

How many seasons are there for the blacklist