Kate O'Mara and Linda Thorson in The Avengers (1961)

Tom Adams, Garfield Morgan, Hilary Pritchard, and Linda Thorson in The Avengers (1961)

Tom Adams, Garfield Morgan, and Linda Thorson in The Avengers (1961)

Garfield Morgan and Linda Thorson in The Avengers (1961)

Patrick Macnee and Jon Rollason in The Avengers (1961)

Patrick Macnee and David Langton in The Avengers (1961)

Honor Blackman, Patrick Macnee, and Richard Vernon in The Avengers (1961)

Honor Blackman and Alfred Burke in The Avengers (1961)

Dudley Foster and Gerald Harper in The Avengers (1961)

Patrick Macnee and Frederick Jaeger in The Avengers (1961)

Patrick Macnee and Roy Kinnear in The Avengers (1961)

Patrick Macnee and John Laurie in The Avengers (1961)

Derek Newark and Gary Watson in The Avengers (1961)

Honor Blackman, David Garth, and Walter Hudd in The Avengers (1961)

Robert Harris and Veronica Strong in The Avengers (1961)

Patrick Macnee and Philip Madoc in The Avengers (1961)

Ralph Nossek and Katherine Woodville in The Avengers (1961)

Liane Aukin and Tenniel Evans in The Avengers (1961)

Patrick Macnee and Philip Guard in The Avengers (1961)

Patrick Macnee and Diana Rigg in The Avengers (1961)

Patrick Macnee, Diana Rigg, and Ron Moody in The Avengers (1961)

Diana Rigg and Peter Wyngarde in The Avengers (1961)