Marc Vann born August 23 1954 is an Americanactor He is known for his role as Conrad Ecklie in the CBStelevision series CSI Crime Scene Investigation He also had notable roles in Angel and Early Edition Vann was born in Norfolk Virginia He initially had little interest in acting or theater but he was introduced to the craft through a mime workshop while studying for his MBA He subsequently got involved in theater before moving to LA to start a career as a television actor Vann was active in local and regional theater in the Chicago area most memorably in his early career at Wisdom Bridge Theatre and Center Theatre Marc added immeasurably to the success of the Wisdom Bridge Theatre production of The Great Gatsby production of Wisdom Bridge that also starred the actor Harry Lennix who was racecolor blind cast as Gatsby On February 28 2008 Vann pulled off a special feat guest starring back to back in new episodes of two different series both on ABC First he played a ships doctor on the cult phenom Lost and then played an automotive worker who was bribed into moving to Hawaii and not testifying in a trial in Eli Stone He was recently in a Skittles commercial as the doctor In 2011 he appeared in two episodes of Torchwood Miracle Day as camp manager Colin Maloney