|Alma mater||University of Regina|
Trenna Keating was born and grew up in Weyburn in the Saskatchewan prairie province in Canada. She likes spending her time hiking and camping outdoors, loves cooking, playing games and dancing. Keating is also a passioned writer of plays. Keating did her BFA degree in acting at the University of Regina.
When she moved to Toronto, Keating studied clown for a while, and began working as a reader for auditions as her introduction to the Toronto film industry. Keating spent several years working at the theatre and doing crew work in film productions, as background casting director, casting assistant and casting director. On occasion of an interview, she told that most of what I have learned about acting has come from being on the other side of the camera watching actors work.
Keating first appeared in the American romantic comedy and Christmas film Just Friends in 2005, and thenafter in Canadian television series and television films, among them Renegadepress.com, Corner Gas and Combat Hospital in recurring roles. Her probably best known role is the recurring character Doc Yewll in the US-Canadian SciFi-series Defiance that started broadcast in 2013 and was renewed for a third, and last season; Defiance was cancelled by ScyFy on 16 October 2015.
|2006||Prairie Giant: The Tommy Douglas Story||KOD Lady #2||Miniseries|
|2006||The Velvet Devil||Stage Manager||TV film|
|2006–2007||Renegadepress.com||Nurse||TV series, 3 episodes|
|2008||Rabbit Fall||Karen Shade||TV series, 1 episode|
|2009||Little Mosque on the Prairie||Waitress||TV series, 1 episode|
|2007–2009||Corner Gas||80's Girl, Sensitivity Student||TV series, 3 episodes|
|2009||A Dog Named Christmas||Faye McCray||TV film|
|2011||Combat Hospital||Sgt. Hannah Corday||TV series, 10 episodes|
|2013||Cracked||Ident Officer||TV series, 2 episodes|
|2014||Working the Engels||Receptionist||TV series, 1 episode|
|2014||The Listener||Detective Nesmith||TV series, 1 episode|
|2013–2015||Defiance||Doc Yewll||TV series, 34 episodes|
|2014||Murdoch Mysteries||Cathleen King||TV series, 2 episodes|
|2015||Schitt's Creek||Crystal||TV series, 1 episode|
|2015||Bark Ranger||Lisa Cratchley|
|2015||Orphan Black||Vera||TV series, 3 episodes|
|2016||12 Monkeys||Nurse||TV series, 1 episode|
|2016||Dark Matter||Felicia Brand||TV series, 1 episode|
|2017||Cardinal (TV series)||Kristin Baldwin||TV series, 3 episodes|
|2017||Reign||Lady Palmerton||TV series, 1 episode|
|2017||Away Home||Isla McNeil|
|2018||Workin' Moms||Shanon||TV series, 3 episodes|
|2018||Ransom||Simone Merriweather||TV series, 1 episode|
|2018||Good Witch||Realtor||TV series, 1 episode|
|2018||Anne (TV series)||Mrs. Pye||TV series, 1 episode|
- Baric, Steve (2013-08-30). "Women We Love: Trenna Keating". themansphere.com. Retrieved 2015-05-21.
- Clamen, Mark (2013-05-14). "Resident Alien: One on One with Defiance's Trenna Keating". criticsatlarge.ca. Retrieved 2015-05-21.
- Underwood, Erin (2014-09-09). "Interview: Trenna Keating (aka Doc Yewll) from Defiance". amazingstoriesmag.com. Retrieved 2015-05-21.
- Bernstein, Robert; Johnson, Jen (2013-04-24). "Our Interview with Trenna Keating aka Defiance's Doc Yewll". Den Of Geek. Retrieved 2015-05-21.
- Reay, Nick (2015-07-02). "EXCLUSIVE interview with Defiance's 'Doc Yewll'". themovies.co.za. Retrieved 2015-07-05.
- Bullock, Mynda (2015-09-16). "Trenna Keating Talks Defiance at Dragon Con!". nicegirlstv.com. Retrieved 2015-09-18.
- Goldberg, Lesley (2015-10-16). "Syfy's 'Defiance' Canceled After Three Seasons". hollywoodreporer.com. Retrieved 2015-10-16.
- Keating, Trenna (2015-10-17). "Trenna Keating on facebook". Trenna Keating. Retrieved 2015-10-17.