High Quality Content by WIKIPEDIA articles! Samuel Noel "Sam" Strachan is a fictional character in the BBC medical drama Holby City, portrayed by actor Tom Chambers. The character first appeared on-screen on 3 January 2006, in episode "Mother Love" - series 8, episode 12 of the programme. Chambers was cast in the role after sending a video of himself performing a Fred Astaire dance routine to over 800 television producers, and piquing the interest of BBC Casting Director Julie Harkin. Although he originally auditioned for only a minor role in the show, he was later asked back to audition for the newly created role of major character Sam Strachan.