VIDEO: Justin Hartley Channeled 'This Is Us' For A Wedding Speech

On last night's Late Show with Stephen Colbert, Justin Hartley recalls a time where he reached into his 'This Is Us' bag of tricks to get the tears rolling at his sister's wedding. Watch the clip below!

Justin Hartley is an American actor. He is known for his television roles that include FOX Crane on the NBC daytime soap opera Passions (2002-06), Oliver Queen/Green ARROW on The CW's superhero drama series Smallville (2006-11), and Adam Newman on the CBS daytime soap opera THE YOUNG AND THE RESTLESS (2014-16) which earned him an Emmy nomination. Hartley appeared in the recurring role of Patrick Osbourne in season 3 of the television series Revenge. Since 2016, he has starred in the NBC drama series This Is Us.

Stephen Colbert brings his signature satire and comedy to THE LATE SHOW with STEPHEN COLBERT, where he talks with an eclectic mix of guests about what is new and relevant in the worlds of politics, entertainment, business, music, technology and more. Featuring bandleader Jon Batiste and his band Stay Human, the show is broadcast from the historic and newly renovated Ed Sullivan Theater. Stephen Colbert took over as host, executive producer and writer of THE LATE SHOW on September 8, 2015.

A multi-talented and respected host, writer, producer, satirist and comedian, Colbert is well-known for his previous late night show, "The Colbert Report," which concluded on Friday, Dec. 18, 2014. The program received wide-spread critical acclaim and earned two Peabody Awards and 29 Emmy Award nominations, including two Emmy wins for Outstanding Variety Series (2013, 2014) and four Emmy wins for Outstanding Writing for a Variety, Music or Comedy Program (2008, 2010, 2013, 2014). Prior to that, Colbert spent eight years as a correspondent on Comedy Central's "The Daily Show" as an on-air personality and writer of news satire for the Emmy and Peabody Award-winning series.