Chas Dingle is a fictional character from the British soap opera Emmerdale, played by Lucy Pargeter. She made her first appearance during the episode broadcast on 16 October 2002. Chas returned on 21 September 2003. Chas was absent for six months in 2005 when Pargeter took maternity leave. She left temporarily on 5 June 2005, and returned full-time from 13 December 2005. In 2013, Pargeter announced that she would be taking a short break from the show in order to appear in I'm A Celebrity... Get Me Out of Here!. Pargeter was briefly recast for one episode on 20 December 2016 to provide an alternative physical appearance to the character through the eyes of Ashley Thomas. Chas departed temporarily once again on 31 March 2017 when Pargeter took a second maternity leave. Pargeter confirmed her return to filming on 31 August 2017. Chas returned on 25 October 2017. In January 2024, it was announced that Chas would be diagnosed with triple-negative breast cancer in an upcoming storyline.

Robert Sugden is a fictional character from the British ITV soap opera Emmerdale. The character originally appeared on the show regularly between 22 April 1986 and 3 October 2005. During that time he was first played as a baby by Richard Smith between 1986 and 1989 before the role was taken over by Christopher Smith from 1989 until 2001. In 2001, Karl Davies took over the role in order for the character to become involved in more adult storylines, as he grew older. Davies briefly reprised his role as Robert for one episode, airing on 10 February 2009, when he returned for the funeral of his father and Emmerdale's longest running character, Jack Sugden. The character returned on 23 October 2014, with actor Ryan Hawley taking over the role.