<Tr> <Td> Vincent M. Ward </Td> <Td> Oscar </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="5"> </Td> </Tr> <Tr> <Td> Daniel Thomas May </Td> <Td> Allen </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="1"> Guest </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> Travis Love </Td> <Td> Shumpert </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="1"> Guest </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> Jose Pablo Cantillo </Td> <Td> Caesar Martinez </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="1"> Guest </Td> <Td_colspan="4"> </Td> </Tr>

Who is the old man in the walking dead