After graduation, he worked as a prison AIDS educator in California and Hawaii before setting up a theatre company in San Francisco with friends.

[3] Dhillon originally appeared in Holby City in 2001 as recurring minor character Dr. Sunil Gupta, before returning in November 2007 as consultant Michael Spence.

[4] Dhillon took an 'extended break' from Holby City on December 17, 2013, after Michael was forced to leave his post by new CEO, Guy Self (John Michie).

[5] On June 19, 2014, it was announced Dhillon would be returning to Holby City as Michael for a short stint in late 2014.

His appearances in US TV shows include Medium, Charmed, Without a Trace, The Loop,[7] and Law & Order: Special Victims Unit.