Doctor Who: Logopolis

Tom Baker

— The Doctor

Matthew Waterhouse

— Adric

Sarah Sutton

— Nyssa

Janet Fielding

— Tegan Jovanka

Anthony Ainley

— The Master

Delore Whiteman

— Aunt Vanessa

Tom Georgeson

— Detective Inspector

John Fraser

— The Monitor

Christopher Hurst

— Security Guard

Adrian Gibbs

— The Watcher (uncredited)

Peter Davison

— The Doctor

Peter Pratt

— The Master (archive footage)

Bruce Purchase

— The Captain (archive footage)

Michael Wisher

— Davros (archive footage)

Valentine Dyall

— The Black Guardian (archive footage)

Elisabeth Sladen

— Sarah Jane Smith (archive footage)

Ian Marter

— Harry Sullivan (archive footage)

Nicholas Courtney

— Brigadier Lethbridge-Stewart (archive footage)

Louise Jameson

— Leela (archive footage)

Mary Tamm

— Romana (I) (archive footage)

Lalla Ward

— Romana (II) (archive footage)