<P> The series also redefined the original Robin, Dick Grayson . While much of Dick's past remains the same, his Robin costume is modernized with short sleeves and long tights, exactly like Tim Drake's original Robin outfit but with a non-italicized "R" symbol . In addition, Dick is given a more serious personality to match the tone of the series . The episode "Batgirl Returns" establishes that Dick and Barbara Gordon attend the same college and that they have a mutual romantic attraction to each other, but neither one knows that the other is secretly Robin and / or Batgirl . Their relationship is one of the plot elements of the film Batman & Mr. Freeze: SubZero . Batgirl is also the Commissioner's daughter in this adaption of the comics . </P> <P> Some of the other villains that appeared in the series included characters such as Poison Ivy, Catwoman, The Riddler, The Mad Hatter, Ra's al Ghul, Talia al Ghul, Man - Bat, Penguin, Scarecrow, Killer Croc, Bane, The Ventriloquist and his dummy Scarface, Red Claw, Hugo Strange, and Tony Zucco . Other "good guy" characters featured in the show not previously mentioned, include Alfred Pennyworth, Harvey Bullock, The Gray Ghost (an original character created by the series to portray Bruce Wayne's childhood hero and crime - fighting inspiration), Lucius Fox, and Leslie Thompkins . </P> <Table> <Tr> <Th> Voice actor </Th> <Th> Role </Th> </Tr> <Tr> <Td> Kevin Conroy </Td> <Td> Bruce Wayne / Batman </Td> </Tr> <Tr> <Td> Loren Lester </Td> <Td> Dick Grayson / Robin </Td> </Tr> <Tr> <Td> Clive Revill </Td> <Td> Alfred Pennyworth (first three episodes in production order) </Td> </Tr> <Tr> <Td> Efrem Zimbalist, Jr . </Td> <Td> Alfred Pennyworth (rest of the series) </Td> </Tr> <Tr> <Td> Bob Hastings </Td> <Td> Commissioner James "Jim" Gordon </Td> </Tr> <Tr> <Td> Robert Costanzo </Td> <Td> Detective Harvey Bullock </Td> </Tr> <Tr> <Td> Melissa Gilbert </Td> <Td> Barbara Gordon / Batgirl </Td> </Tr> </Table> <Tr> <Th> Voice actor </Th> <Th> Role </Th> </Tr>

Who voiced robin in batman the animated series