The Blackburns Take Over

It was one of a series of adventures featuring the detective hero Jeffrey Blackburn and his wife.

This installment starred a new pair of actor in the leads, Grant Taylor and Patricia Kennedy.

[1] Taylor was the fourth Jeffrey Blackburn (following James Raglan, Peter Finch and Douglas Kelly) and Kennedy the fourth Elizabeth Blackburn (after Hilda Scurr, Neva Carr Glynn and Margaret Macgregor).

[2] Taylor left the role while the serial was still being made to join the army.

The body turns out to be that of Stephen Ashley, scientist, who had been at work on a secret weapon tor the British Government.