Clarissa Hailsham-Brown (played by Margaret Lockwood) is a protagonist in Spider's Web.
Sir Rowland Delahaye (played by Felix Aylmer) appears in Spider's Web.
Constable Jones (played by Desmond Llewelyn) appears in Spider's Web.
Inspector Lord (played by Campbell Singer) appears in Spider's Web.
Hugo Birch (played by Harold Scott) appears in Spider's Web.
Mildred Peake (played by Judith Furse) appears in Spider's Web.
Elgin (played by Sidney Monckton) appears in Spider's Web.