Desc: Not Only But Always: Directed by Terry Johnson. With Rhys Ifans, Aidan McArdle, Jodie Rimmer, Camilla Power. This affectionate documentary examines the turbulent partnership of Peter Cook and Dudley Moore, the double act that re-defined the comedy genre. It follows their beginnings in London's West End through their rise to stardom which won them accolades but forced a wedge between them.