Simulated patients (SPs) are extensively used in the teaching of medical communication, both for students and doctors. They occupy a unique middle ground between patients and physicians: although free from the prejudices that medical training brings, they work closely with clinical tutors to promote the principles of patient-centred consulting. Despite this, there is relatively little research around their views on what makes for good communication practice. This study aims to address this gap in the literature through a qualitative analysis of SPs' opinions, especially in the context of medical student communication. Eighteen SPs from two medical schools, Hull York Medical School and Durham, were interviewed, using an in-depth, one-to-one, semi-structured approach. Data, transcribed verbatim, were thematically analysed. Three global themes were identified: (i) listening and empathy and showing it, (ii) continual human connection and (iii) information flow from the patient. These three themes, termed the communication triad, form a type of virtuous circle, each facilitating the other. Listening and empathy were facilitated through attributes, including attentive non-verbal communication, and through responding to cues, including making effective empathetic statements. Continual human connection was facilitated through successful beginnings, including preferring open questions to 'robotic' tick-list questions and allowing patients time to have their say. Mirroring, professional appearance, appropriate physical contact and a human approach were amongst other factors facilitating connection with patients. Information flow was encouraged by factors including showing an interest in the patient and use of silence; flow was curtailed by undesirable attributes, including interrupting, dismissive communication and making assumptions about aspects such as sexuality. This first in-depth study of SPs' views on medical consulting identifies a communication triad that both affirms and builds on the current literature base. Five novel teaching points emerge, with clear relevance for best practice communication teaching and curricula design.