Bob Allen was born in New Zealand but came to Britain in 1951 to work in the film and television industry as a sound recordist.
Among the films he worked on included Clive Donner's The Caretaker (1963), Young Cassidy (1965),
Here We Go Round the Mulberry Bush (1968)
10 Rillington Place (1971), The Day of the Jackal( 1973) , Caravan to Vaccares (1974), Scrubbers (1982) and The Shooting Party (1984).