
James G. MacDonald is an American actor and director known for his extensive work in film, television, and theater spanning over 35 years. He notably portrayed Captain James Wainwright in the Star Trek: Deep Space Nine episode "Little Green Men." MacDonald has appeared alongside many high-profile actors and worked with acclaimed directors across diverse genres including comedy, drama, thriller, horror, and science fiction. His versatile roles range from a naive young captain in Star Trek to parts in films like Volcano and Tigerland. He has also received awards for his work in theater and filmmaking. Beyond acting, MacDonald writes and directs, and he is active in teaching writing and acting workshops to incarcerated and formerly incarcerated individuals. His career is marked by both character-driven performances and creative contributions behind the scenes.

The Rookie
TV • 2018

NCIS
TV • 2003

NCIS
TV • 2003

CSI: Crime Scene Investigation
TV • 2000

CSI: Crime Scene Investigation
TV • 2000

The Mentalist
TV • 2008

Criminal Minds
TV • 2005

CSI: Miami
TV • 2002

NCIS: Los Angeles
TV • 2009

Castle
TV • 2009

24
TV • 2001

Chicago Fire
TV • 2012

JAG
TV • 1995

Without a Trace
TV • 2002

ER
TV • 1994

Marvel's Agents of S.H.I.E.L.D.
TV • 2013

Buffy the Vampire Slayer
TV • 1997

Scandal
TV • 2012