T.R. Bowen

as Doctor

as Sir Michael Nivan

as Sir Michael Niven

as Royal Horticultural Society President (as Trevor Bowen)

as Jerry

as David Hawkley

as Marcus Benson

as Charles Damant

as Magistrate

as Raymond West

as Kenneth Baker

as Departmen Head

as Raymond West

as Henry Lindsay

as Richard Jayston, M.P.

as Childs

as Sylvia's Lover

as Sylvia's Lover

as Charles Damant

as Mr. Fawkes

as Lord Freith

as Collins

as George Matthews

as Duff Cooper (as Trevor Bowen)

as Duff Cooper

as John Forster

as Michael Preston

as Jack Lowery

as Piers

as Tony Bridges (as Trevor Bowen)