- Joy Harington - TV Producer
- Barbara Keogh - Make-up Lady
- James Leith - Cop
- Luke Hanson - Police Captain
- Charles Bolton - Mugger
- Christopher Driscoll - Mugger
- Stewart Harwood - Taxi Driver
- Rita Webb - Charm Seller
- Trevor Lawrence - Catskin Man
- Frederick Radley - Medicine Man
- Barbara Kellerman - Clare Kapp
- Bruce Purchase - Tommy Roach
- David Yip - Frank Chen
- Brenda Fricker - Alison Thorpe
- Sophie Kind - Sara
- Margaret Tyzack - Annie Morgan
- Neil Stacy - Toby Gough
- Annabelle Lanyon - Isabel
- Tudor Davies - TV Director
- Kevin Stoney - Prime Minister
- David Ashford - David Hatherley
- Tony Sibbald - Chuck Marshall
- Kathleen St John - Winnie
- Beatrice Shaw - Susie
- Ian Price - Captain Torrance
- Declan Mulholland - Security Guard
- Rebecca Saire - Hettie Carlson
- Toyah Willcox - Sal
- Brewster Mason - Gurov
- Elsie Randolph - Minister
- Larry Noble - Jack
- Gretchen Franklin - Edna
- James Ottaway - Arthur
- Donald Eccles - Chisholm
- Ishaq Bux - Misru
- John Dunbar - Electronics Expert
- John Richmond - Lt. General
- Charles Lamb - Orderly
- Brian Croucher - Pay Police Lt.
- Pat Rambaut
- Bill Westley
- Steve Lanning
- Nigel Kneale
- Ted Childs
- Norton Knatchbull
- Laurie Greenwood
- Verity Lambert
- Michael Barnes
- Stephen Pushkin
- Chris Gurney
- Ian Toynton
- Dudley Plummer
- Roger Wilson
- Nic Rowley
- Marc Wilkinson
David Yip interpreta a Frank Chen en la serie.
Margaret Tyzack interpreta a Annie Morgan en la serie.
Ralph Arliss interpreta a Kickalong en la serie.
John Mills interpreta a Bernard Quatermass en la serie.
Simon MacCorkindale hace el papel de Joe Kapp.
Paul Rosebury interpreta a Caraway en la serie.
Jane Bertish interpreta a Bee en la serie.
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