Winsor was nominated for "Best Drama Star" at the 2016 Inside Soap Awards. Ethan & Cal meeting their biological mother was nominated "Best Drama Storyline". In August 2017, Cal's murder was longlisted for Best Drama Storyline at the Inside Soap Awards. The nomination made the viewer-voted shortlist, but lost out to Casualty helicopter crash. Holly Wade from the Radio Times branded the character a "womaniser", an "incredibly confident and an instinctive doctor" and a "constant annoyance" to Ethan. The sibling duo proved popular with viewers. Winsor felt fortunate that fan liked Cal and Ethan's relationship and grateful for support of their stories. Reilly (What's on TV) stated that "the love-hate storylines between Cal and Ethan have captivated fans and are still going strong." Their colleague branded Cal a "serial womaniser". A Retford Times reporter said "Dr Cal has been on a rollercoaster storyline since he was introduced to Casualty viewers in 2014." Their colleague said that Winsor put in some "eye-catching performances" as Cal. Matt Baylis of the Daily Express was unimpressed with both Casualty and Cal. He criticised scenes depicting Cal confused about his first meeting with Emilie. Baylis accused the show of disregarding viewer intellect and uttered he would trust stupid Cal to treat him in hospital.
