The Admirable Crichton

Kenneth More

Bill Crichton

Diane Cilento

Eliza Tweeny

Cecil Parker

Lord Henry Loam

Sally Ann Howes

Lady Mary

Martita Hunt

Lady Brocklehurst

Jack Watling

Treherne

Peter Graves

Brocklehurst

Gerald Harper

Ernest

?

Mercy Haystead

Catherine

Miranda Connell

Lady Agatha

Miles Malleson

Vicar

Eddie Byrne

Captain of Lord Loam's yacht

Joan Young

Mrs. Perkins, housekeeper at Loam Hall

Brenda Hogan

Fisher, Lady Mary's maid

Peter Welch

Rolleston, Lord Loam's valet