An investigation is under way after £45 worth of goods was stolen from Marks and Spencer at Central Station.
Officers are also investigating the attempted theft of a bike which occurred at the same time.
British Transport Police have now released a CCTV image of a man they believe could help them with their enquiries.
Anyone with any information is asked to get in touch with the force.
A spokesperson for BTP said: "Can you help us identify this male?
"Officers are investigating an attempt theft of pedal cycle and theft of nearly £45 of goods from M&S at Newcastle Central Station.
"Text us on 61016 quoting 1900086615."
