Private investigator Anna Lee works for the Brierly Security agency after leaving the police force. Each episode features a different mystery.

Imogen StubbsAnna Lee

Brian GloverSelwyn Price

Peter WightBernie Schiller

John RoweCommander Martin Brierly

Wil JohnsonStevie Johnson

Sonia GrahamBeryl Doyle

Ceri JacksonRos Russell

Sally BaxterMaggie Daniels

Jack ShuteMatthew Daniels

Roger MartinKen Daniels

Steph BramwellSylvie Schiller

Anthony NewleyFrederick Slinger

Alice MacdonaldDee Jackson

Eddie O'ConnellFrancis Leary

Martin BallSimon Lester

Tony VogelAlan Lucas

Davyd HarriesMr Jackson

Walter SparrowAlastair Draper

Oliver SmithLen Margolin

Morag SillerTina

Michael AttwellRobert Thurman / Charlie McKinnon

David HuntEddie Marsham

Niven BoydJimmy Kilshaw

John WarnabyAlan Perriman

John BleasdaleDS Burford

Jacquetta MayCarla Wainwright

Frank EllisBilly Hooper

Eve BlandJane Marsham

Charon BourkeSandra Keightley

Brana BajicGeta Mironescu

Yuri StepanovMihail Mironescu

David HounslowTaylor

Peter CoreyPooley

Ysobel GonzalezLinda

Tenniel EvansEdwin Doyle

John BirdAdrian Wesley

Jaye GriffithsTania Jones

Kemal SylvesterDanny Keegan

George JackosCarlos

James BreeMr Lambert

Mary ConlonJane Vermont

Robbie GeeJon

Lorna BrownCarol

Kate AldertonKerry

Theresa GodlyBianca

Lawrence LambertDS Boyd