Sapphire and Steel. E05. Doctor McDee Must Die. Part 5 of 6.

First broadcast 25th August 1981.

Sapphire and Steel realize that things must play out exactly as before in 1930 or the human race is doomed, but something is trying to interfere with time.

David McCallum ... Steel
Joanna Lumley ... Sapphire
Patience Collier ... Emma Mullrine
Davy Kaye ... Lord Mullrine
Nan Munro ... Felicity McDee
Jeffry Wickham ... Felix Harborough (as Jeffrey Wickham)
Jeremy Child ... Howard McDee
Jennie Stoller ... Annabelle Harborough
Peter Laird ... Greville
Stephen MacDonald ... Dr. George McDee
Patricia Shakesby ... Anne Shaw