<Tr> <Th> Portrayed by </Th> <Td> <Ul> <Li> Cruise Russo ( 1991 -- 99 ) </Li> <Li> Joseph Cross ( 1999 -- 2004 ) </Li> <Li> Ian Boyd ( 2004 ) </Li> <Li> Peter Vack ( 2004 ) </Li> <Li> Zach Roerig ( 2005 -- 07 ) </Li> <Li> Scott Porter ( 2006 ; temp . ) </Li> <Li> Billy Magnussen ( 2008 -- 10 ) </Li> </Ul> </Td> </Tr>
who played casey on as the world turns
Cruise Russo Joseph Cross Ian Boyd Peter Vack Zach Roerig Scott Porter Billy Magnussen