Cast:
Jon Pertwee, Tom Baker, Elisabeth Sladen, Nicholas Courtney, Richard Franklin, John Levene, John Dearth, Carl Forgione, Andrew Staines, Terence Lodge, Christopher Burgess, John Kane, Kevin Lindsay, George Cormack, Cyril Shaps, Chubby Oates, Pat Gorman, Terry Walsh, Michael Pinder, Stuart Fell, Geoffrey Morris, Ralph Arliss, Gareth Hunt, Jenny Laird, Joanna Monro, Walter Randall, Max Faulkner, Ysanne Churchman, Kismet Delgado, Maureen Morris