For a long time Duggie toured the clubs with the Four Imps pop group, before eventually turning professional as a comedian, regularly appearing on TV in The Comedians and The Wheeltappers and Shunters Social Club. He later turned to acting with one of his early roles being in the film Kes alongside his sister, Lynne.
He appeared on Coronation Street in three roles:
- George Freeman, owner of The Hour Glass bar in February 1997
- Bernie Cooper, husband of Rita Sullivan's well-to-do friend Rula Romanoff in September 2004
- OAP Ted Spear, who in January 2022 passed away shortly after he was accidentally run over by Faye Windass.
Other credits include roles in For the Love of Ada, My Brother's Keeper, Crown Court, The Enigma Files, All Creatures Great and Small, The Bill, Minder, Brookside, Common As Muck, Last of the Summer Wine, Peak Practice, Holby City, EastEnders, Fat Friends, Heartbeat, Doctors and Hotel Babylon.