Cast (20)
Roy MarsdenAdam DalglieshPatrick FieldRoy
Allan MitchellDr Michael Woods
Peter Forbes-RobertsonChairmanMargaret LangWoman Administrator
Geoffrey PalmerEdwin LorrimerRichard BealeMr. Bidwell
Peter HowellSir Charles FreebornPatrick MarleyFather MartinEdgar StokesScientist in Library
Cyril CusackMr. LorrimerWendy GiffordAnne KerrisonJohn BryansChief Superintendent Mercer
John CaterAlfred GoddardJanet DaviesMrs. Winifred Swaffield
Noel JohnsonMajor Hunt
Anthony DawesMr. MitchingMichael QuintoDuty Sergeant BarryJohn LastPolice Constable
Simon WrightPolice Constable