Grantham Coleman

 portrayed Bonnie Ray Williams, Lee Harvey Oswald's coworker at the Texas School Book Depository.

Coleman is an actor, known for "The Americans" (2013), 11.22.63 (2016) and "NCIS" (2003).

Episodes

 * Happy Birthday, Lee Harvey Oswald
 * The Day in Question

Source
Grantham Coleman on the Internet Movie Database. Retrieved on April 4, 2019.