Diana Rigg & Harry H Corbett in The Hothouse, Armchair Theatre, 1964.
"The Hothouse" stars Harry H. Corbett as a supermarket tycoon who is obsessed with the exotic plants in his hothouse, and a pre-Avengers Diana Rigg as his wife who, suspecting him of having an affair, invites one of their employees and his attractive newly-wed wife to stay for the weekend.

