<Tr> <Td> Echo Kellum </Td> <Td> Curtis Holt / Mister Terrific </Td> <Td> Does not appear </Td> <Td> Main </Td> <Td> Does not appear </Td> <Td> Guest </Td> </Tr> <Tr> <Td> Rick Gonzalez </Td> <Td> Rene Ramirez / Wild Dog </Td> <Td> Does not appear </Td> <Td> Main </Td> <Td> Does not appear </Td> <Td> Guest </Td> </Tr> <Tr> <Td> Juliana Harkavy </Td> <Td> Dinah Drake / Black Canary </Td> <Td> Does not appear </Td> <Td> Main </Td> <Td_colspan="2"> Guest </Td> </Tr> <Tr> <Td> Frederick Schmidt </Td> <Td> Metallo (Earth - X) </Td> <Td> Does not appear </Td> <Td> (non-speaking appearance) </Td> <Td> Co-star </Td> <Td> (non-speaking appearance) </Td> </Tr>

Order of episodes for crisis on earth x