Cast:
Tom Baker, Elisabeth Sladen, Jon Laurimore, Antony Carrick, Gareth Armstrong, Tim Pigott-Smith, Norman Jones, Robert James, Brian Ellis, Pat Gorman, James Appleby, John Clamp, Peter Walshe, Jay Neill, Peter Tuddenham, Peggy Dixon, Jack Edwards, Alistair Fullarton, Michael Reid, Kathy Wolff, Stuart Fell