John Mills

Bernard Quatermass

Simon MacCorkindale

Joe Kapp

Paul Rosebury

Caraway

Jane Bertish

Bee

Ralph Arliss

Kickalong

Margaret Tyzak

Annie Morgan

Brian Croucher

Police Lt.

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

Joanna Joseph

Debbie

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

Jan Murzynowski

Russian Astronaut

Kathleen St John

Winnie

Beatrice Shaw

Susie

Ian Price

Captain Torrance

Declan Mulholland

Security Guard

Chris Quinten

Soldier

Rebecca Saire

Hettie Carlson

Toyah Willcox

Sal

Brewster Mason

Gurov

Elsie Randolph

Minister

Larry Noble

Jack

Gretchen Franklin

Edna

James Ottaway

Arthur

Clare Ruane

Jane

Donald Eccles

Chisholm

Ishaq Bux

Misru

John Dunbar

Electronics Expert

John Richmond

Lt. General