Oliver MacGreevy
Oliver MacGreevy (born 3 August 1928) was a Dublin-born actor who appeared in many films and television series from the mid 50s until he retired in 1984.Among his roles he played Housemartin in the The Ipcress File (1965) and made an appearance as both the Gardener and the Electrician in the first episode of The Prisoner TV series ("Arrival", 1967).