DI Tom Monroe investigates the mysterious deaths of a group of classmates over a period of years from the same 1976 form class.
Robert Carlyle
DI Tom Monroe
Daniel Mays
DS Steven Grant
Claire Skinner
Dr. Kate Tremaine
Anton Lesser
Martin Gibson
William Ilkley
Charlie Drain
Sean Gallagher
Colin Somerville
Tony Haygarth
DS Pritchard
Robert Glenister
Frank Thompson
Paul Ireland
Andy
Pip Torrens
Supt Flood
Amelia Curtis
Monica Grant
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