Godfather of Jennifer Garner and Ben Affleck's daughter Violet.

Not only was he the one and only guest at Alias (2001) co-star Jennifer Garner and Ben Affleck's wedding, but he officiated at the ceremony after learning how to do so on the Internet.

As of 2017, he has appeared in three films that were nominated for the Academy Award for Best Picture: Titanic (1997), Milk (2008) and Argo (2012). Titanic (1997) and Argo (2012) are winners in the category.

Diagnosed with Type 1 diabetes at age 12.

Played the uncredited role as assistant bank manager in friend Ben Affleck's movie The Town (2010).

Was lead singer of Toronto pop group Sugar Shoppe.

He studied drama at HB Studio in Greenwich Village in New York City, and still lives in the neighborhood.

Has played both Jesus (in Godspell) and the Devil (in Damn Yankees) in major stage productions.

Has been nominated for Broadway's Tony Award four times: as Best Actor (Featured Role -Play) in 1978 for "Deathtrap;" as Best Actor (Musical) in 1982 for a revival of "Little Me" and in 1994 for a revival of "Damn Yankees!"; and as Best Actor (Play) in 1989 for "Lend Me a Tenor."

Originated the role of Clifford Anderson in the 1978 New York City production of "Deathtrap."

License plate on his on-set bike at Disney is "SPYDAD."

Is in a long-term romantic relationship with artist, model, and fellow Canadian Rainer Andreesen. When they got married in 2015, they had been together for 16 years.

Originated the role of Anthony in the 1979 Stephen Sondheim musical "Sweeney Todd, the Demon Barber of Fleet Street."

He has a brother and a sister. His mother was Hope Garber, who died in 2005; his father passed away in 1993.

Is a close friend of Ben Affleck. Both Affleck and Garber have portrayed DC comic book characters. Affleck is portraying Batman in the upcoming film "Batman v Superman: Dawn Of Justice" (2016) while Garber plays Dr. Martin Stein in the TV series "The Flash" (2014).

Jack Bristow, Garber's character on Alias (2001), was ranked #29 in TV Guide's list of the "50 Greatest TV Dads of All Time" [20 June 2004 issue].

Received Tony Award nominations for "Deathtrap" (Featured Actor), "Little Me' (Actor - Musical), "Lend Me a Tenor" (Actor), and "Damn Yankees" (Actor - Musical).

Originated the role of John Wilkes Booth in the 1990 Stephen Sondheim musical "Assassins".

In 2008, he co-presented a gallery show for his longtime companion (and now husband), the Canadian-born, LA and New York-based portrait painter Rainer Andreesen.

New York, NY, USA: Living with his partner of 13 years, artist Rainer Andreesen. (January 2013)

Friends with Jennifer Garner.

Starring in Noel Coward's Present Laughter for the Roundabout theatre company in New York City. (January 2010)

He has played the same character (Dr. Martin Stein) in five different series: Arrow (2012), The Flash (2014), Supergirl (2015), Vixen (2015) and DC's Legends of Tomorrow (2016).

Born on exactly the same date as Erik Estrada of "CHiPs" fame.

He was awarded the O.C. (Officer of the Order of Canada) on November 9, 2022 from the Canadian Governor General. He lives between New York City and Canada.