Reparto (9)
Jayne CollinsMaureen RogersAndrew AshbyPaul JenkinsToby BridgeSteve Rogers
Dudley SuttonMike EllisFrederick TrevesSuperintendent ParryHazel McBrideJean
John ForgehamSam RogersJohn BarcroftPeter Jenkins
Morris PerryProfessor StonelyJayne CollinsMaureen RogersAndrew AshbyPaul JenkinsToby BridgeSteve RogersDudley SuttonMike EllisFrederick TrevesSuperintendent ParryHazel McBrideJeanJohn ForgehamSam RogersJohn BarcroftPeter JenkinsMorris PerryProfessor Stonely