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