as Nigel Pennington-Smythe
as Zoo Director
as The Prince
as Archie Wavell
as Captain Charles Elliot
as Peter Edmonton
as Terence Philip
as Robert Townsend
as Robert St. Simon
as Michael (segment "London 1912")
as Harry Bingley
as Simon Langton
as Bishop
as Group Captain Gilmore
as Stanton
as Henri de Ligne
as Self (Archive footage)
as Panshin
as Ambrose
as John Kirk
as Bob Appleyard
as Harold MacMillan
as Self
as Crutcher
as Nigel Bent
as Professor Rae
as Guy Sandys
as Gilmore
as Lord Robert St. Simon
as Jeremiah Moxley
as Arthur Hollister
as Maurice Swift
as Alan Carstairs
as James Bellamy
as Lord Godwyn
as Lord Justice Kenyon
as Francis Denham
as Sir Tim Forbes-Allen
as Professor De Silva
as Geoffrey
as Col Maltravers
as Father Rafe
as Duke of Danby
as Laurence Lucas
as Mr Miller
as Dr. Scott-Brown
as Oliver Lilley
as Charles Wickenham
as Sir Anthony Rose
as Dr Donald Halliwell
as Henry Dashwood
as Uncle Keith
as Mr. Chapman
as Lord Scott
