The documentary features retrospective interviews with the lead actors and creative crew behind Sapphire & Steel. The participants discuss their experiences working on the cult-classic 1979–1982 television show, sharing behind-the-scenes memories, insights into the unique atmosphere of the series, and recollections about the production of the mysterious, time-defying extratemporal agents

• Century 21 Films
• David McCallum
• Joanna Lumley
• Shaun O'Riordan
• Peter J. Hammond