<P> Played by Cassi Thomson, Nikki was married to Toby Kennish . She is a Christian musician and begins a new band with Toby and Emmett, soon after which she and Toby begin dating, however she quickly realizes that she doesn't think it would work out to be dating someone who does not believe in God . </P> <P> She later reconciles with Toby, and they then become engaged . On the night before the wedding, they have sex and the next day call off the ceremony and elope to the courthouse . At the start of the third season, Nikki and Toby are in a long distance relationship as Nikki is doing aid work overseas . Nikki and Toby later separate after Nikki is offered a permanent job in Peru . </P> <P> Played by Anthony Natale, Cameron Bledsoe is the father of Emmett Bledsoe . He is the ex-husband of Melody Bledsoe . Unlike Melody, he takes a carefree approach to parenting his son, while causes problems between him and his ex-wife, as she believes that he is not a good influence on Emmett . Emmett moves in with him in due to Melody's disapproval of Bay . After his divorce Cameron dated a younger woman named Olivia . Concern for Emmett's wellbeing is raised by Bay after the discovery of Olivia's bongs around the house and her use of marijuana . He subsequently breaks up with Olivia . Later on, he marries a woman named Debbie . They are expecting their first child . </P> <P> Played by RJ Mitte is a pre-med student and fellow volunteer at the free clinic where Daphne is ordered to serve out her hours at community service . Campbell is a former snowboarder and became a wheelchair user after an accident he suffered on the slopes . Despite having a girlfriend, he displays interest in Daphne, even ending his relationship for her . Despite initial tension, the two begin dating . However their romance comes to an end when Daphne is promoted over Campbell, simultaneously causing him to seek a position at another clinic across town and end their relationship . </P>

Who plays katherine's mom on switched at birth