The Duchess of Duke Street. S01 E10. Lottie's Boy.

First broadcast 6th November 1976.

A handsome young guest creates a rift between Mary and Louisa and persuades the Major to invest the remainder of his inheritance in a very risky venture.

Gemma Jones ... Louisa Trotter
Anthony Andrews ... Marcus Carrington
Victoria Plucknett ... Mary
Richard Vernon ... Major Toby Smith-Barton
Christine Pollon ... Aunt Gwyneth
Mary Healey ... Mrs. Cochrane
John Cater ... Starr
John Welsh ... Merriman
John Gabriel ... Poole
Sammie Winmill ... Ethel
Holly De Jong ... Violet
Frank Tregear ... Steadman