The Silent World of Nicholas Quinn is a crime novel by Colin Dexter, the third novel in Inspector Morse series.

The Oxford Foreign Examinations Syndicate runs school exams in the Persian Gulf and other places with a British connection.

An intrigue involving wealthy Arabs and prior knowledge of exam papers is clearly the cause, and Quinn had found out about it and paid for it with his life.

The cast included John Thaw as Inspector Endeavour Morse, Kevin Whately as Sergeant Robert Lewis, Barbara Flynn as Monica Height, Michael Gough as Philip Ogleby, Clive Swift as Dr Bartlett, Anthony Smee as Dr Roope, Roger Lloyd-Pack as Donald Martin, Lyndam Gregory as Sergeant Dixon, Phil Nice as Nicholas Quinn.

[1] The cast included John Shrapnel as Inspector Morse, Robert Glenister as Sergeant Robert Lewis, Meg Davies as Monica Height, David Timson as Philip Ogleby, Richard Pasco as Dr Bartlett, John Hartley as Dr Roope, Stephen Critchlow as Donald Martin, Lyndam Gregory as Sergeant Dixon and Roger May as Nicholas Quinn.