A seedy London promoter turns a naive, working-class teenager into a pop singing sensation.

Laurence Harvey
as Johnny Jackson

Sylvia Syms
as Maisie King

Yolande Donlan
as Dixie Collins

Cliff Richard
as Bert Rudge / Bongo Herbert

Meier Tzelniker
as Mayer

Ambrosine Phillpotts
as Lady Rosemary

Gilbert Harding
as Self

Hermione Baddeley
as Penelope

Eric Pohlmann
as Leon

Reginald Beckwith
as Rev. Tobias Craven