Peter Davison
— D.I. Maurice Burt
James Bolam
— Helmut Kranze
Gideon Turner
— Marcus Walwyn
Natalie Walter
— Karen Scott
Marc Bannerman
— Paul Cornell
Paula Wilcox
— Marcus Mother
Vanessa Hadaway
— Sharon Hayes
Liz May Brice
— Heather Brazier-Young
Michael MacKenzie
— Henry Rutherford
Richard Bates
— Camp Carl