Some Girls Do. (1969 film). Part 1 of 2.

A series of inexplicable accidents befall the development of the world's first supersonic airliner, the SST1 – a man falls victim to a homicidal air stewardess and two women perform separate acts of sabotage during tests. The Air Ministry calls on Hugh "Bulldog" Drummond to investigate.

Richard Johnson as Hugh "Bulldog" Drummond
Daliah Lavi as Baroness Helga Hagen
Beba Lončar as Pandora
James Villiers as Carl Petersen
Vanessa Howard as Robot No. 7
Maurice Denham as Dudley Mortimer
Robert Morley as Miss Mary
Sydne Rome as Flicky
Ronnie Stevens as Peregrine Carruthers
Virginia North as Robot No. 9
Adrienne Posta as Drummond's Daily
Florence Desmond as Lady Manderley
Nicholas Phipps as Lord Dunburry
Yutte Stensgaard as Robot No. 1
George Belbin as Major Newman
Richard Hurndall as President of Aircraft Company
Marga Roche as Birgit
Douglas Sheldon as Kruger
Joanna Lumley as Robot No. 2
Maria Aitken as Flight attendant
Shakira Caine as Robot Observer
Johnny Briggs as Air traffic controller
Dora Graham as Robot Twin
Doris Graham as Robot Twin

Directed by Ralph Thomas