<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> <Tr> <Td> Catherine Lloyd Burns </Td> <Td> Caroline Miller </Td> <Td_colspan="1"> Main </Td> <Td_colspan="1"> Recurring </Td> <Td_colspan="5"> </Td> </Tr>

Who played jamie in malcom in the middle