Patrick Macnee and Diana Rigg in The Avengers (1961)

Maria Machado and Warren Mitchell in Two's a Crowd (1965)

Julian Glover and Warren Mitchell in Two's a Crowd (1965)

Alec Mango and Warren Mitchell in Two's a Crowd (1965)

Patrick Macnee, Julian Glover, Maria Machado, Alec Mango, and Wolfe Morris in Two's a Crowd (1965)

Patrick Macnee and Warren Mitchell in Two's a Crowd (1965)

Diana Rigg and John Bluthal in Two's a Crowd (1965)

Patrick Macnee and Julian Glover in Two's a Crowd (1965)

Patrick Macnee, Diana Rigg, and Eric Lander in Two's a Crowd (1965)

Maria Machado and Warren Mitchell in The Avengers (1961)

Maria Machado and Alec Mango in The Avengers (1961)

Diana Rigg and John Bluthal in The Avengers (1961)

Patrick Macnee and Warren Mitchell in The Avengers (1961)

Patrick Macnee, Julian Glover, and Maria Machado in The Avengers (1961)

Honor Blackman, Patrick Macnee, and Diana Rigg in The Avengers (1961)