Half Moon Street

Half Moon Street Cast

25 cast members · 20 with popularity data

Full Cast

Sorted by Buzz Score · May 28, 2026

Sigourney Weaver

Dr. Lauren Slaughter

Lord Sam Bulbeck

Van Arkady's Secretary

#14,711 overall

Rupert Vansittart

Alan Platts-Williams

#19,334 overall

Siobhan Redmond

Institute Secretary

#20,881 overall

Kevork Malikyan

#21,211 overall

Carol Cleveland

#23,550 overall

#23,753 overall

#24,549 overall

The Hon. Maura Hardcastle

#24,668 overall

#27,309 overall

#32,420 overall

Ram John Holder

#34,168 overall

Hugo Van Arkady

#41,031 overall

Donald Pickering

George Hardcastle

#42,191 overall

Sidney Platts-Williams

#45,401 overall

Captain Twilley

#45,770 overall

S.A.S. Man (uncredited)

#51,832 overall

Patrick Kavanagh

General Sir George Newhouse

#54,598 overall

Katherine Schofield

Overdressed Lady

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