| Episode No. | Series | |
| 1439 | 1999x50 |
Critical Mass is the 1439th episode of The Bill.
Insp. Monroe is sceptical but cautious when a young woman, Emma Crawford, rings Sun Hill and says she thinks her boyfriend may have hidden a bomb in the station. At Emma's flat, Sgt. Ackland and P.C. Stamp find bomb-making equipment and a faxed warning due to be sent on a timer. P.C. Carver discovers a suspicious paint can hidden in the ceiling - enough to trigger the evacuation of the station and the calling in of the Bomb Squad. The suspect, Ben Wallace, has been in trouble with the police before, and he is apprehended by D.C.I. Meadows when he returns to the flat. As the Squad begin defusing the bomb, Ackland and Stamp visit Ben's parents whom he despises. The bomb is dismantled and the station declared safe, but D.C. Holmes and Stamp watch in horror as Ben's father is killed by a car bomb planted by his son.
Credits[]
Main cast
- Ben Roberts as Ch. Insp. Conway
- Simon Rouse as D.C.I. Meadows
- Joy Brook as D.C. Holmes
- George Rossi as D.C. Lennox
- Colin Tarrant as Insp. Monroe
- Trudie Goodwin as Sgt. Ackland
- Tony O'Callaghan as Sgt. Boyden
- Eric Richard as Sgt. Cryer
- Andrew Paul as P.C. Quinnan
- Mark Wingett as P.C. Carver
- Clive Wedderburn as P.C. McCann
- Huw Higginson as P.C. Garfield
- Jeff Stewart as P.C. Hollis
- Graham Cole as P.C. Stamp
- Jane Wall as P.C. Worrell
- Samantha Robson as P.C. Hagen
- Suzanne Maddock as P.C. Rickman
Guest cast
- Ben Wallace - Nick Waring
- Frank Wallace - Nicholas Day
- Helen Wallace - Maggie Stride
- Emma Crawford - Kate Steavenson-Payne
- Paul Weston - Tim Faraday
- Mike Best - Dominic Taylor
- Trevor Miller - Ian Peck
- Carl Maxwell - Thomas Goodridge
- Peter Yates - Leo Dolan
- Jill Palmer - Rebecca Hartley