Colby was notable for his film roles in The Peacemaker (1997), Tower Heist (2011), Safe (2012), The Amazing Spider-Man 2 (2014) and in Patriots Day (2016).
[2] Colby had a long association with Hartford Stage included Tennessee Williams's A Streetcar Named Desire, Camino Real, The Night of the Iguana, and Cat on a Hot Tin Roof.
[3] His stage roles include Blade to the Heat (1994), The Food Chain (1995), The Devils (1997), The Butterfly Collection (2000), The Day Emily Married (2004) and Dividing the Estate (2007).
[3] He originated the role of Stan in the off-Broadway production of Lynn Nottage's Sweat (2016), later reprising his turn in the Pulitzer Prize-winning play's Broadway premiere.
[4] Colby met his wife, actress Alyssa Bresnahan, when she played Stella to his Stanley, during a production of A Streetcar Named Desire in 1998.