
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

The Mentalist
2008 · TV

NCIS
2003 · TV

Criminal Minds
2005 · TV

CSI: Crime Scene Investigation
2000 · TV

Buffy the Vampire Slayer
1997 · TV

Chicago Fire
2012 · TV

24
2001 · TV

CSI: Miami
2002 · TV

Castle
2009 · TV

ER
1994 · TV

NCIS: Los Angeles
2009 · TV

JAG
1995 · TV

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

Sweet/Vicious
2016 · TV

Love Bites
2011 · TV

Sex and the City
1998 · TV

Star Trek: Deep Space Nine
1993 · TV

Without a Trace
2002 · TV

Weeds
2005 · TV

Scandal
2012 · TV

Lie to Me
2009 · TV

Longmire
2012 · TV

Touched by an Angel
1994 · TV

The Unit
2006 · TV

Major Crimes
2012 · TV

The Division
2001 · TV

Brooklyn South
1997 · TV

All Rise
2019 · TV

In Plain Sight
2008 · TV

Ballard
2025 · TV

Commander in Chief
2005 · TV

Pacific Blue
1996 · TV

The Winchesters
2022 · TV

Fantasy Island
1998 · TV

Jake and The Kid
1995 · TV

Peacemakers
2003 · TV

The Magnificent Seven
1998 · TV

Crisis
2014 · TV