Police were appealing for information to trace missing Romanian man Vasile Belea.
Mr Belea was found safe and well in the Southall area at approx 2245hrs on Friday, 17 January.
He has been reunited with his family.
Vasile Belea, aged 63, went missing at Stockwell underground station on Tuesday, 14 January at 10:00hrs.
Vasile (dob 1.1.1951) was travelling with his son to central London when they became parted on the Victoria-bound platform. The son got on the train but the doors closed before his father could join him.