Helen Mirren

Nigel Davenport

as King Magnus

Prunella Scales

as Queen Jemima

Beryl Reid

as Amanda

Joyce Grant

as Lysistrata

Bill Fraser

as Boanerges

Peter Barkworth

as Prime Minister

Griffith Jones

as Foreign Secretary

Trevor Baxter

as Colonial Secretary

Reg Pritchard

as Chancellor of the Exchequer

Thorley Walters

as Home Secretary

Simon Lack

as Pamphilius

James Leith

as Sampronius

Bernard Taylor

as American Ambassador

Deborah Makepeace

as Princess Royal