Question: Ethan Hardy has had a romantic storyline alonside the character played by which star of Waterloo Road and Hollyoaks?

<P0-S0> Ethan Hardy is a fictional character from the BBC medical drama "Casualty", played by actor George Rainsford. <P0-S1>  He first appeared in the series twenty-eight episode "Bad Timing", broadcast on 11 January 2014. <P0-S2>  Rainsford's casting was announced alongside Richard Winsor who had been hired to play Ethan's brother Caleb Knight. <P0-S3>  The pair were described by the show's executive producer Oliver Kent as completely different characters who would change the dynamic on he "Casualty". <P0-S4>  He has had romantic stories alongside the character Honey Wright (Chelsee Healey). <P0-S5>  Ethan is a Specialist registrar in emergency medicine and is an excellent medic who had worked hard to achieve his position in the profession. <P0-S6>  He is characterised as a shy, socially awkward person with a serious and attentive attitude. <P0-S7>  Throughout his inclusion in the show Ethan has shared an on-screen friendship with like minded Lily Chao (Crystal Yu). <P0-S8>  Writers developed Ethan's relationship with his brother Cal into a sibling rivalry. <P0-S9>  This has provided both characters with dramatic stories. <SEP> <P1-S0> Jason Costello (previously Jasmine Costello) is a fictional character from the British Channel 4 soap opera, "Hollyoaks", played by Victoria Atkin. <P1-S1>  The character debuted on-screen during the episode airing on 2 August 2010 and was introduced by series producer Paul Marquess as a member of the yet to be established Costello family. <P1-S2>  Originally introduced as Jasmine, Atkin portrays the first character in the soap opera to experience gender dysphoria. <P1-S3>  After the storyline's reveal, Jasmine expressed his desire to be known as and changed his name by deed poll to Jason. <P1-S4>  An androphilic trans man, Jason's storyline prominently explores the secrecy and trials of his romantic relationship with Bart McQueen (Jonny Clarke), a heterosexual male who originally developed an attraction to Jason as Jasmine. <P1-S5>  Jason departed from "Hollyoaks" on 1 December 2011. <SEP> <P2-S0> Caleb "Cal" Knight is a fictional character from the BBC medical drama "Casualty", played by actor Richard Winsor. <P2-S1>  He first appeared in the series twenty-eight episode "Brothers at Arms", broadcast on 18 January 2014. <P2-S2>  Winsor had previously auditioned for a role in "Casualty's" spin-off show "Holby City". <P2-S3>  Producers were impressed and recalled him to read for the part of Cal. <P2-S4>  Winsor's casting was announced alongside George Rainsford who was hired to play Cal's brother Ethan Hardy. <P2-S5>  The pair had to pass a screen test together as producers were looking for a strong sibling chemistry. <P2-S6>  Cal's role in the show is a Specialist registrar in emergency medicine. <P2-S7>  He was originally introduced as a locum. <P2-S8>  The medic is played as a lothario and womaniser type character. <P2-S9>  He can manipulate those around him with charm to better his career. <P2-S10>  Writers gave Cal a backstory detailing the difficult relationship with his father and brother. <P2-S11>  Despite having the same parents Cal and Ethan had different upbringings, which sets up a sibling rivalry. <P2-S12>  Their relationship has been important in the development of both characters. <P2-S13>  Executive producer Oliver Kent has called the character consistent because when faced with trauma, Cal gets drunk, sleeps with women and makes a fool of himself. <SEP> <P3-S0>  She is best known for playing Janeece Bryant in the BBC school drama series "Waterloo Road" from 2006 to 2012 and as Honey Wright in the BBC medical drama series "Casualty" from 2014 until 2015 and as Goldie McQueen in the Channel 4 soap opera "Hollyoaks" from 2016. <P3-S1> Chelsea "Chelsee" Jade Healey (born 6 August 1988) is an English actress.