 Colin BlakelyDet. Insp. Dick Lee | Det. Insp. Dick Lee |
 Kay Adshead'Swan' | 'Swan' |
| JJohn AinleyRupert Creasey | Rupert Creasey |
| PPeter BarnesPatrick Granger | Patrick Granger |
 David BarrassImmigration Officer | Immigration Officer |
| KKim BlackW.P.C. Mary Robson | W.P.C. Mary Robson |
| CClare BonassD.C. Gladys Wooley | D.C. Gladys Wooley |
 Peter BaldwinD.C. Paul Garrett | D.C. Paul Garrett |
 Michael CarterHugh Truscott | Hugh Truscott |
| SSelena Carey-JonesD.C. Patricia Johnston | D.C. Patricia Johnston |
 Peter CartwrightD.S. Frank Leighton | D.S. Frank Leighton |
| JJohn CordingD.S. Reg Lewis | D.S. Reg Lewis |
 James CosmoLongfellow | Longfellow |
 Eric DeaconD.C. Ernie Wilson | D.C. Ernie Wilson |
| AAlan DownerC.C.R. Templeton | C.C.R. Templeton |
| FFrank DuncanBruce Sangster | Bruce Sangster |
| LLeon EaglesC.I.C. | C.I.C. |
| JJim FowlerBarry Kitson | Barry Kitson |
| NNora FultonLandlady | Landlady |
 James GaddasD.C. Sid Bell | D.C. Sid Bell |
 Robert GwilymD.C. Dan Richard | D.C. Dan Richard |
 Belinda LangD.C. Joy Brookes | D.C. Joy Brookes |
| JJon LaurimoreDet. Insp. Don Gough | Det. Insp. Don Gough |
| SStuart McGuganD.S. Ron Stapley | D.S. Ron Stapley |
 Lizzy McInnernyErica | Erica |
 Bruce PayneD.C. Malcolm Pollard | D.C. Malcolm Pollard |
 Simon RouseD.S. Vernon Cooper | D.S. Vernon Cooper |
| DDavid SwiftDet. Supt. David Gosling | Det. Supt. David Gosling |