Peter Graham Scott Director James Robertson Justice Sir Beverley Grant Actor Sally Smith Juliet Munro Actor Stanley Baxter Dexter Munro Actor Leslie Phillips Roddy Chipfield Actor Eric Barker Mr. Gallagher Actor Kenneth Cope Ron Actor Hugh Lloyd Mary Queen of Scots Actor Fred Emney Sir Francis Drake Actor Peter Jones Charles II Actor Ronnie Barker Josh Actor Philip Locke Stan Actor Timothy Bateson Wally Actor Jack Davies Screenwriter Henry Blyth Screenwriter Leslie Parkyn Producer Julian Wintle Producer Norrie Paramor Original Music Reginald H. Wyer Cinematographer Tom Priestley Film Editing Harry Pottle Art Director