On 28 March 2014, it was announced Michelle Collins would join the cast as Samantha Keeler, the love interest of Jeff. It was revealed that as the romance with Jeff blossoms, a secret held by Samantha threatens to turn both of their worlds upside down. Casualty's executive producer Oliver Kent said: "We can't wait for everyone to meet Samantha and see where her story goes over the two months she's on screen. Michelle has been absolutely brilliant and her arrival is set to have a huge impact on one of the show's most loved characters."
