Erica和她的哥哥和姐姐在亚伯达长大。高中毕业后，Erica搬到了温哥华，开始了她的演艺生涯。最初是被著名的星探Jeff Palffy所发现的。刚开始她主要在低成本恐怖片中演出，也在一些科幻电视影集中偶尔露脸。05年嫁给了加拿大演员David Palffy，和David Palffy的儿子保持了很好的关系，并且希望有一个自己和David的孩子。2005年，她得到了出演电视版超人前传的机会，担任超人女友Lois Lane这一重要的角色。于第四季第1集初登场，被设定为Chloe的表姐。随着超人前传的持续播出，Erica的知名度也跟着水涨船高。蝴蝶效应2是她的第一部剧情长片作品，她在片中变化多端的表现，为她带来又一波事业的高潮。

Milligan was born in Yellowknife, Northwest Territories.

He starred in the short-lived primetime dramatic suspense series Runaway picked up by the CW network for its inaugural season in September 2006, but cancelled in October 2006 after only three episodes. He also starred in the Canadian network CTV`s made-for-TV-movie 8 Days to Live playing O.C. star Kelly Rowan`s missing son. His film credits include Final Destination 3 (2006), Slither (2006), The Butterfly Effect 2 (2006), In the Land of Women (2007), alongside Kristen Stewart, Adam Brody and Meg Ryan, as well as The Messengers (2007), also starring Kristen Stewart. He also played in the 2007 movie Butterfly on a Wheel. Milligan has also played minor roles in the television series The Days, Andromeda, The Dead Zone, Alice, I Think, Supernatural and the CBC`s Da Vinci`s City Hall.

While promoting In The Land of Women, he starred in a series of 8 video diaries (put on YouTube), promoting the movie, and trying to get a date for the premiere.

In the 2008-2009 television season, Dustin Milligan starred as Ethan Ward in The CW`s 90210, a spin-off of the popular 1990s prime-time soap opera Beverly Hills, 90210. Along side co-star Shenae Grimes and Jessica Lowndes, Milligan also followed the ranks of Jason Priestley former Beverly Hills, 90210 star as a Canadian actor on a U.S hit TV show. In late March 2009, writer/producer Rebecca Rand Kirshner Sinclair confirmed that Milligan would be written off the show in 90210`s second season.