In 2010, MacIntosh began his acting career with a starring role in the dramatic short film
Turns. Additional short film roles include appearances as Young Martin Thomas in
The Science of Death, and as Young Jonathan in
Breathe. In 2011, he made his feature film debut alongside his brother Gage, appearing as brothers Mark and Nick Paterson respectively in the martial arts themed drama
Blood Games: Sanctioned to Die. In 2011, MacIntosh made his television debut with a guest-starring role as a member of
Ron's scout troop on the
NBC comedy series
Parks and Recreation. Additional television roles include guest-starring appearances as
Burt's 13-year-old brother Bruce in a 1981 flashback on the
Fox comedy series
Raising Hope, and as Young Brad in the
pilot episode of the proposed science-fiction drama series
H.O.P.E. In 2013, MacIntosh began a recurring role on the
ABC Family drama series
The Fosters. On the series, MacIntosh portrays fan favorite
Connor, a handsome and kind-hearted boy who develops feelings for the shy and isolated foster child
Jude Adams Foster (portrayed by
Hayden Byerly), prompting the 13-year-old Jude to come out as gay. Later Connor comes out, and the two begin a relationship that lasts until he moves to California to live with his mother. In addition to his film and episodic television credits, MacIntosh has appeared in various national commercials, including television campaigns for
Goodyear Tires,
Oscar Mayer Lunchables,
Pizza Hut,
Lowe's, and
Honda. As a
Ford child and teen model, he has appeared in print, including commercial and editorial campaigns for
Mattel,
Target,
Gap,
Porsche,
Hang Ten, and
Tom Tailor, among others. On March 2, 2015,
ABC Family aired an episode of
The Fosters, "Now Hear This", that featured MacIntosh's character and Byerly's character sharing a kiss, that is believed to be the youngest LGBT kiss ever in U.S. television history. In two tweets on March 29, 2015, MacIntosh took issue with
YouTube's decision to add an age restriction for access to video of his character's kiss scene with Byerly's character, prompting a vocal social media campaign, and YouTube removed the age restriction less than a day later.
The Fosters TV's Youngest Same-Sex Kiss scene was featured as #9 in The 19 Biggest LGBT Moments On TV In 2015. MacIntosh and Byerly's kiss was also listed in the 7 Best Moments From ABC Family The Wrap Rewind 2015. On December 23, 2015, MacIntosh was featured in the publication
OUT Magazine discussing his famous gay kiss. ==Personal life==