<Tr> <Td> Justin Berfield </Td> <Td> Reese </Td> <Td_colspan="7"> Main </Td> </Tr> <Tr> <Td> Erik Per Sullivan </Td> <Td> Dewey </Td> <Td_colspan="7"> Main </Td> </Tr> <Tr> <Td> Frankie Muniz </Td> <Td> Malcolm </Td> <Td_colspan="7"> Main </Td> </Tr> <Tr> <Td> James and Lukas Rodriguez </Td> <Td> Jamie </Td> <Td_colspan="3"> </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="3"> Main </Td> </Tr>

Who played malcolm on malcolm in the middle