Raised in Glasgow's Gorbals and later Pollokshaws, he discovered acting at fourteen in an out-of-school drama group, which propelled him onto STV's lunchtime show The One O' Clock Gang and into a part on Dr. Finlay's Casebook, after which he chose a freelance path rather than formal training. A founding member of the 7:84 theatre company in 1973, he went on to appear in Bill Forsyth's Gregory's Gi…