Geoff Oldham played three parts in Coronation Street:
- An Ambulanceman who took Gail Tilsley to hospital when she went into premature labour in January 1987.
- Frank Prosser in May 1995.
- Arthur Watts, Curly's father, in March 2002 (the third actor to play the part).
He only started acting when he was fifty, having previously been a Chief Executive of an Industry Training Board. He has also appeared in The New Statesman, All Creatures Great and Small, Brookside, Last of the Summer Wine and several roles in both Emmerdale and Heartbeat.
His theatre roles include parts in Hamlet, Romeo and Juliet and Gaslight.