Doctor Who: The Power of Kroll

Tom Baker

The Doctor

Mary Tamm

Romana

Neil McCarthy

Thawn

John Abineri

Ranquin

Philip Madoc

Fenner

Glyn Owen

Rohm-Dutt

Carl Rigg

Varlik

Frank Jarvis

Skart

John Leeson

Dugeen

Grahame Mallard

Harg

Delia Derbyshire

Theme Song Performance

John Nathan-Turner

Producer

Robert Holmes

Writer

Anthony Read

Script Editor

Graham Williams

Producer

Dudley Simpson

Original Music Composer

Norman Stewart

Director