'Koko' was a Wednesday Matinee production by BBC radio, broadcast on 7 April, 1948
Cast
Narrator: Patrick Troughton
Mr Currie: James Woodburn
Mr Mobbs: Arthur Ridley
Laura: Jenny Laird
Grimes: Charles Leno
Koko: Baliol Holloway
Professor Mulberry: William Trent
Sir William Stepney: Graham Stuart
Mrs Saddleworth, M P: Thelma Rea
Mr J.D. Bowley: Edward Forsyth
Fred Piper: James Carney
Mr Gorbley K C: Eric Lugg
Mr Mitten, K C: Preston Lockwood
Mr Justice Bagworthy: Charles Mortimer
Cast
Narrator: Patrick Troughton
Mr Currie: James Woodburn
Mr Mobbs: Arthur Ridley
Laura: Jenny Laird
Grimes: Charles Leno
Koko: Baliol Holloway
Professor Mulberry: William Trent
Sir William Stepney: Graham Stuart
Mrs Saddleworth, M P: Thelma Rea
Mr J.D. Bowley: Edward Forsyth
Fred Piper: James Carney
Mr Gorbley K C: Eric Lugg
Mr Mitten, K C: Preston Lockwood
Mr Justice Bagworthy: Charles Mortimer