"If Kyle can uncover those extortionists where an expert PCD man failed, he is obviously implicated with them." When workers fall prey to an extortionist network collecting money in exchange for their continued silence, Kyle's involvement attracts the attention of PCD controller Skardon, who recognizes an opportunity to eliminate the network and the thorn in his side in one stroke.

• Wilfred Greatorex

• Vernon Dobtcheff
• John Rhys-Davies
• John Bennett