Characters played by Peter Davison
D.I. Maurice Burt
Characters played by James Bolam
Helmut Kranze
Characters played by Paula Wilcox
Marcus's Mother
Characters played by Gideon Turner
Marcus Walwyn
Characters played by Natalie Walter
Karen Scott
Characters played by Peter Forbes
D.S. Ray Wilson
Characters played by Vanessa Hadaway
Sharon Hayes
Characters played by Marc Bannerman
Paul Cornell
Characters played by Guy Leverton
Darren Cornell
Characters played by Richard Bates
Camp Carl
Characters played by Michael MacKenzie
Harry Rutherford
Characters played by Liz May Brice
Heather Brazier-Young
Characters played by Graham Eatough
D.C. Clark
Characters played by Eileen McCallum
Mrs. Kranze
Characters played by Katherine Igoe
W.P.C. Meeker
Characters played by Martyn James
Richard Brazier-Young
Characters played by Angela Chadfield
Patricia Brazier-Young
Characters played by Neil Packham
D.C. Sheedy
Characters played by Eric Barlow
Gardner