A portrait by Tony Van den Bergh of William Harvey (1578-1657). the physician who discovered the true nature of the circulation of the blood and the function of the heart as a pump. With William Harvey David Marchand Sir Charles Scarborough DouglasStorm
Other parts played by ERIC ALLAN , JAMES AUBREY TIMOTHY BATESON
MALCOLM GERARD , HAROLD KASKET JACK MAY , MARY NELSON SHEILA RAYNOR , JOHN RYE
PETER SETTELEN and JILL SIMCOX with a summing up by Sir John McMichael , late Professor of Medicine. University of London Postgraduate Medical School
Directed by GLYN DEARMAN