Recurring cast/characters incl. James Laurenson (Detective Inspector Bonaparte - 26 episodes), Kate Fitzpatrick (Constable Alice McGorr - 13 episodes, 1973), David Gulpilil (Balinga - 4 episodes, 1972-1973), Ken Goodlet (Inspector Walters - 3 episodes, 1972-1973), Deryck Barnes (Sgt Colin Harvey - 3 episodes, 1973), Jeanie Drynan (Isobel Matthews - 2 episodes, 1972-1973), Tom Farley (Ben Wickham - 2 episodes, 1972-1973), Serge Lazareff (Dick Lake - 2 episodes, 1972-1973), John McCallum (Alistair Bell - 2 episodes, 1972-1973), Christine McClure (Flora McDonald - 2 episodes, 1972-1973), Lex Mitchell (Jacko - 2 episodes, 1972-1973), Judy Morris (Jill Madden - 2 episodes, 1972-1973), Graham Rouse (Jim - 2 episodes, 1972-1973), Alfred Sandor (Lund - 2 episodes, 1972-1973), Nick Tate (Sgt Peter Irwin - 2 episodes, 1972-1973), Brian Wenzel (Sgt Cox - 2 episodes, 1972-1973), Bindi Williams (Harry Jones - 2 episodes, 1972-1973), Googie Withers (Diana Thompson - 2 episodes, 1972-1973), Edward Ogden (Ed Wessex - 2 episodes, 1972), Anne Haddy (Mary Parker - 2 episodes, 1973), Ric Hutton (Norman Lacey - 2 episodes, 1973), Jack Thompson (Jack - 2 episodes, 1973). See individual episodes for further cast details.