

September 25, 1972
1
13
EN
A father-son birdwatching outing becomes a widespread mystery when teenage John Corby—after coming to the aid of neighbour Susan Fraser—finds that his father Tom has vanished.

Glyn Houston
Tom Corby

Simon Fisher-Turner
John Corby

Jan Francis
Susan Fraser

Brian Peck
Bowers



Gerard Glaister
Gerard Glaister
David Sinclair
Selby

Edward Brooks
Kessler

Series 1
13 episodes
September 25, 1972

BBC
GB