Trivia

Although audiences are used to seeing him as a tough, imposing character actor, he is renowned for 'getting the giggles' on set after muddling dialogue. He has featured on several outtakes & bloopers shows in the UK, where he is seen blowing take after take, giggling uncontrollably - and infecting others on set - bringing the shoot to a laughter-filled halt.

He was awarded the MBE (Member of the Order of the British Empire) in the 2018 Queen's New Years Honours List for his services to Drama. He is an actor in London, England.

He often plays tough characters due to his imposing stature.

He attended the Royal Scottish Academy of Music and Dramatic Art. He also studied at the Bristol Old Vic drama school.

He worked with both Brendan Gleeson and Brian Cox in Braveheart (1995). Gleeson played Hamish, son to Cosmo's character Campbell, while Cox played Argyle, uncle to Mel Gibson's character William Wallace. In Troy (2004), Gleeson played Menelaus, brother to Cox's character Agamemnon and Cosmo played Glaucus, head soldier of Troy.

Missed out on a part in A Passage to India (1984) following a "heated debate" with its' director David Lean at an audition.

He resides in London, England but hopes to buy a house in Perthshire, Scotland at some point.

He is the son of James Copeland.

Massive fan of The Simpsons (1989).

He worked with Heath Ledger in The Four Feathers (2002). Ledger playing Harry Faversham, Cosmo playing Colonel Sutch. Ledger in turn worked with Mel Gibson in The Patriot (2000). Ledger playing Gabriel, son to Mel's Benjamin. Mel in turn worked with Cosmo in Braveheart (1995). Cosmo playing Scottish warrior Campbell, to Mel's hero William Wallace.

He starred with Robert Carlyle in two movies. First was Trainspotting (1996) as Mr Renton, Carlyle's character was Begbie. Second was To End All Wars (2001) as McLean, Carlyle's character was named Campbell. Campbell was the name given to Cosmo's character in Braveheart (1995).

2nd week of August filming Two Wolves for Lupine Films on location at Teeside Airport, near Darlington, the nearby King George Hotel, and the gardens and some rooms at Wynyard Hall, near Billingham, Teeside.