<Tr> <Td> 2002 </Td> <Td> Without a Trace </Td> <Td> Thomas Shannon </Td> <Td> Episode: "Silent Partner" </Td> </Tr> <Tr> <Td> 2003 </Td> <Td> Presidio Med </Td> <Td> N / A </Td> <Td> Episode: "Breathless" </Td> </Tr> <Tr> <Td> 2003 </Td> <Td> Carnivàle </Td> <Td> Sheiff Lyle Donovan </Td> <Td> Episode: "Tipton" </Td> </Tr> <Tr> <Td> </Td> <Td> The Practice </Td> <Td> Judge Robert Temple </Td> <Td> Episode: "Police State" </Td> </Tr>

Who played mr clark on grey's anatomy