
James MacDonald
Acting
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.
Known For

The Rookie
2018 · tv

NCIS
2003 · tv

The Mentalist
2008 · tv

Criminal Minds
2005 · tv

CSI: Crime Scene Investigation
2000 · tv

Chicago Fire
2012 · tv

Castle
2009 · tv

CSI: Miami
2002 · tv

24
2001 · tv

Marvel's Agents of S.H.I.E.L.D.
2013 · tv

JAG
1995 · tv

NCIS: Los Angeles
2009 · tv

ER
1994 · tv

Without a Trace
2002 · tv

Buffy the Vampire Slayer
1997 · tv

Sex and the City
1998 · tv

Star Trek: Deep Space Nine
1993 · tv

Scandal
2012 · tv

Weeds
2005 · tv

Lie to Me
2009 · tv

Longmire
2012 · tv

Touched by an Angel
1994 · tv

Pacific Blue
1996 · tv

Major Crimes
2012 · tv

The Unit
2006 · tv

The Division
2001 · tv

All Rise
2019 · tv

In Plain Sight
2008 · tv

Ballard
2025 · tv

Brooklyn South
1997 · tv