Question: What Italian-Canadian actor best known for his roles on "Reign",starred in a Canadian comedy web series?

Context paragraphs:
Giacomo Gianniotti: Giacomo Keaton Gianniotti (born June 19, 1989) is an Italian-Canadian actor.  Gianniotti is best known for his roles on "Reign" (2013) and "Murdoch Mysteries" (2013–2014).  He is currently playing a surgical intern, Dr. Andrew DeLuca, on "Grey's Anatomy" (2015–present).

Daddy Knows Best: Daddy Knows Best is an American comedy web series created, written and produced by Jeff Danis, Ryan O'Neill and starring Stephen Rannazzisi from The League, an American sitcom about a fantasy football league.  The series is broadcast on the internet and premiered on April 11, 2012.  So far, 7 episodes have been made and the show can be found distributed across the web including on My Damn Channel and Blip.  Daddy Knows best is a comedy web series about a Dad who gets himself into terrible situation and is really bad at being a father.  Daddy Knows Best has received over 72,528,411 views combined since April 2012.

Con Man (web series): Con Man is an American comedy web series created, written, directed by, and starring Alan Tudyk.  The series follows cult science fiction actor Wray Nerely (Tudyk), as he tours the convention circuit.  Tudyk, one of the stars of the 2002 science fiction TV show "Firefly", based "Con Man" loosely upon his own experiences.  The series is co-produced by PJ Haarsma and by Nathan Fillion, who also co-stars in it.  Crowdfunded through Indiegogo, "Con Man" set records for crowdfunding a web series by raising more than $1 million in 24 hours and more than $3.1 million overall.

Video Game High School: Video Game High School (often abbreviated VGHS) is an action comedy web series from RocketJump Studios.  It was written by Matthew Arnold, Will Campos and Brian Firenzi and directed by Matthew Arnold, Brandon Laatsch, and Freddie Wong.  RocketJump Studios describes the series as "a show about best friends, first loves, and landing that perfect head shot".  The team at RocketJump chose to make a web series because they "strongly believe the foundations for the future of digitally distributed content will be laid by web series".

Everyone's Famous: Everyone's Famous is a Canadian comedy web series, which premiered in 2013.  Created by Andrew Bush of the sketch comedy troupe Picnicface, the series stars Ryan Beil as Donald Tipper, an unhappy call centre employee who tries to reinvent himself as a creator of online viral videos.  The cast also includes Kayla Lorette, Pat Thornton, Kyle Hickey, Molly Dunsworth, Cory Bowles and Kevin Kincaid.

Rich Keeble: Rich Keeble is a British actor and voiceover artist.  He has appeared in a number of television series, commercials and web series.  He co-writes and co-stars in the award winning comedy web series "All in the Method".  He also stars in the comedy web series "Rich Keeble Vanity Project" and "Rules of Life".

Backpackers (web series): Backpackers is a Canadian comedy web series, which aired in 2013 on CTV.ca and CW Seed.  The CW picked up the series for television broadcast, for which material from the web series was edited into four half-hour episodes, and six new episodes were produced.  "Backpackers" made its television premiere on July 14, 2014.  The series stars Dillon Casey and Noah Reid as Brandon and Ryan, two friends on a backpacking trip across Europe after Ryan and his girlfriend Beth (Meghan Heffern) experience cold feet over their pending engagement.  Ryan's stolen journal is posted on the Internet and goes viral, sending Ryan, Brandon, and Brandon's brother Andrew (Giacomo Gianniotti) on another journey, to recover the journal and fulfill Ryan's dream of becoming a published author.

My Roommate's an Escort: My Roommate's an Escort is an original Canadian comedy web series created, written by and starring Katie Uhlmann and Trish Rainone.  All 11 episodes of the first season are directed by Uhlmann, and the series premiered on YouTube on April 3rd, 2017.  Rainone plays a non-confrontational, small-town girl living in Toronto who suspects her new roommate Kesha, played by Uhlmann, is a call girl.

My 90-Year-Old Roommate: My 90-Year-Old Roommate is a Canadian comedy web series, which premiered in 2016 on the Canadian Broadcasting Corporation's Punchline comedy web platform.  Created by Ethan Cole, the series stars Cole as a fictionalized version of himself, an underemployed young man who moves in with his recently widowed 90-year-old grandfather Joe (Paul Soles).

Josh Saltzman: Josh Saltzman is a Canadian Comedy Award winning comedian, writer and director who resides in Toronto, Ontario.  He is currently the head writer of DHX Media's new "Inspector Gadget" series produced for Teletoon in Canada (seen on Netflix in the United States), and has written for many television shows including: HBO Canada's "Call Me Fitz", Disney XD's "Fangbone! " and CBC's "This Hour Has 22 Minutes".  Saltzman won the 2010 Canadian Comedy Award for best Web Clip for his video "That Thing That Happened" which he co-wrote, co-directed and starred in with Lindsay Ames.  He is also the winner of the 2008 Tim Sims Encouragement Award as 7 Minutes in Heaven.  He was a member of the Canadian Comedy Award-winning sketch troupe The Sketchersons from 2009 - 2010.  He has appeared on the Comedy Network on the show "Upload Yours" in which he had an entire episode devoted to his Online videos

Supporting paragraphs: Backpackers (web series) Giacomo Gianniotti
Answer: Giacomo Keaton Gianniotti