Half Moon Street

Half Moon Street Cast

25 cast members · 14 with popularity data

Full Cast

Sorted by Buzz Score · April 19, 2026

Sigourney Weaver

Dr. Lauren Slaughter

Lord Sam Bulbeck

Van Arkady's Secretary

Siobhan Redmond

Institute Secretary

#11,517 overall

Rupert Vansittart

Alan Platts-Williams

#12,744 overall

#12,950 overall

#14,276 overall

#15,086 overall

#19,711 overall

Hugo Van Arkady

#21,746 overall

Sidney Platts-Williams

#24,718 overall

S.A.S. Man (uncredited)

#24,747 overall

Captain Twilley

#25,442 overall

Patrick Kavanagh

General Sir George Newhouse

Ram John Holder

The Hon. Maura Hardcastle

Donald Pickering

George Hardcastle

Katherine Schofield

Overdressed Lady

Carol Cleveland

Kevork Malikyan

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