How old was Johnny Butt in The Clue of the New Pin?

Benita HumeBenita Hume was 22 in The Clue of the New Pin as 'Ursula Ardfern'.

Birthday: Sun, Oct 14 1906 –
Wed, Nov 01 1967

Kim PeacockKim Peacock was 27 in The Clue of the New Pin as 'Tab Holland'.

Birthday: Sun, Mar 24 1901 –
Mon, Dec 26 1966

Donald CalthropDonald Calthrop was 40 in The Clue of the New Pin as 'Yeh Ling'.

Birthday: Wed, Apr 11 1888 –
Mon, Jul 15 1940

John GielgudJohn Gielgud was 24 in The Clue of the New Pin as 'Rex Trasmere'.

Birthday: Thu, Apr 14 1904 –
Sun, May 21 2000

H. Saxon-SnellH. Saxon-Snell was >> in The Clue of the New Pin as 'Walters'.

Birthday: Unknown Birthday

Johnny ButtJohnny Butt was >> in The Clue of the New Pin as 'Wellington Briggs'.

Birthday: Unknown Birthday

Colin KennyColin Kenny was 40 in The Clue of the New Pin as 'Insp. Carver'.

Birthday: Mon, Dec 03 1888 –
Mon, Dec 02 1968

Arthur MaudeArthur Maude was 48 in The Clue of the New Pin as 'Director'

Birthday: Fri, Jul 23 1880 –
Mon, Jan 09 1950

Horace WheddonHorace Wheddon was >> in The Clue of the New Pin as 'Director of Photography'

Birthday: Unknown Birthday

Kathleen HaydenKathleen Hayden was >> in The Clue of the New Pin as 'Writer'

Birthday: Unknown Birthday

S.W. SmithS.W. Smith was >> in The Clue of the New Pin as 'Producer'

Birthday: Unknown Birthday

Edgar WallaceEdgar Wallace was 53 in The Clue of the New Pin as 'Novel'

Birthday: Thu, Apr 01 1875 –
Wed, Feb 10 1932