Martin Oldfield is an English actor who has played six roles in Emmerdale Farm/Emmerdale:
- A helicopter pilot in May 1982.
- Gordon in January 1992.
- Kim Marchant's barrister Mr Derbyshire in January 1999.
- Dr John Mattingley in April and May 2002.
- Neville Quinn in November 2004.
- Judge Henry Adams in May 2007.
- An unnamed family court Judge in June 2009.
His other credits include Brookside, Grange Hill, The Bill, Heartbeat, Waterloo Road, Coronation Street and Hollyoaks.