At this year's Tribeca Film Festival, the two star in the movie "Aardvark." Quinto plays Josh Norman, who's dealing with an estranged relationship with his brother Craig (Jon Hamm) and has hallucinations of him.
Slate plays Emily, Josh's therapist who also happens to be sleeping with Craig.
Quinto, 38, and Groff, 30, were all smiles while posing for pictures together backstage at Groff's Broadway show Quinto and Groff dated a few years back before they broke up in mid-2013.
Quinto is currently with his longtime model boyfriend Miles Mc Millan.
He is best known for his roles as Sylar on the science fiction drama series Heroes (2006–2010), Spock in the reboot Star Trek (2009) and its sequels Star Trek Into Darkness (2013) and Star Trek Beyond (2016), as well as his Emmy nominated performance in American Horror Story: Asylum.
He worked on the series until its cancellation in 2010 after four seasons. Speaking alongside Leonard Nimoy at a press conference to promote the new Star Trek film, Quinto revealed that Nimoy had been given casting approval over who would play the role of the young Spock.His father, Joseph John "Joe" Quinto, a barber, died of cancer when Quinto was seven years old.Quinto graduated from Central Catholic High School in 1995, where he participated in their musicals and won the Gene Kelly Award for Best Supporting Actor, and then attended Carnegie Mellon University's School of Drama, from which he graduated in 1999. In 2003, during the theatrical run of Endgame by Samuel Beckett, directed by Kristina Lloyd In 2006, Quinto played the role of Sasan: the haughty, gay Iranian-American best friend of Tori Spelling on her VH1 series So No TORIous.The duo enjoyed a night out this weekend at Madonna's 57th birthday party. Quinto shared a cute pic of him and Mc Millan in their party outfits with the caption, "gypsy love. "I had to do a lot of work on the couch to really get to a place where I was able to show up to a relationship with someone who was actually capable of being in one -- and that took a lot of trial and error." PHOTOS: LGBT allies in Hollywood As he continues to heal, Quinto says he's open to starting a family one day. "I want to share." Of his earlier decision to share his sexuality with the world, he explains: "One of the defining conversations that I had with myself was that absolutely no good can come from me staying quiet about [my sexuality].