UFO

Ed Bishop

Cmdr. Ed Straker

Dolores Mantez

Michael Billington

Colonnello Paul Foster

George Sewell

Col. Alec Freeman

Ayshea Brough

SHADO Operative

Keith Alexander

SHADO Radio Operator

Vladek Sheybal

Dr. Doug Jackson

Gabrielle Drake

Lt. Gay Ellis

Gary Myers

Capt. Lew Waterman

Wanda Ventham

Colonel Virginia Lake

Grant Taylor

Gen. James Henderson

Jeremy Wilkin

Skydiver Navigator

Harry Baird

Lt. Mark Bradley

Andrea Allan

Nurse

Steven Berkoff

Capt. Steve Minto

Anouska Hempel

SHADO Radio Operator Tamara Paulson

Shane Rimmer

Lt. Bill Johnson

Tom Oliver

Doctor

Philip Madoc

Steven Rutland

John Lyons

Studio Guard

Alan Tucker

Lunar Module Pilot

Louise Pajo

Miss Scott

Peter Blythe

2nd Officer

Basil Dignam

Cabinet Minister

David Warbeck

Skydiver Captain

Al Mancini

Lt. Andy Conroy

Lois Maxwell

Miss Holland

Anthony Chinn

Alien

David Weston

Rescuer

Burnell Tucker

Albatross Pilot Turner

Peter Burton

Dr. Murray

Penny Spencer

SHADO Operative

Suzanne Neve

Mary Straker

Stephanie Beacham

Sarah Bosanquet

Barry Stokes

Skydiver Engineer

Conrad Phillips

Skipper

Geoffrey Hinsliff

Hotel Clerk

John Stratton

John Croxley

Allan Cuthbertson

Jack Newton

John Levene

Interceptor Pilot

David Healy

Joe Franklin

Suzan Farmer

Tina Duval

Eleanor Summerfield

Muriel Thompson

Richard Vernon

Pa Stone

Robin Bailey

Kofax

Tracy Reed

Jane Carson

Patrick Allen

Turner

Jane Merrow

Jo Fraser

Jack Hedley

Webb

Mike Pratt

Clem Mason

Tessa Wyatt

Catherine Frazer

David Daker

SHADO Guard

Douglas Wilmer

Dr. Ward / Dr. Brünner

Russell Napier

Dr. Green

Philip Latham

Blake

Paul Maxwell

Lt. Jim Lewis

Charles Tingwell

Captain Beaver James

Tutte Lemkow

Singleton

George Cole

Paul Roper

Patrick Jordan

Russian Base Cmdr.

Jean Marsh

Janna

James Cosmo

Lt. Anderson

Annette Kerr

Nurse

Edwin Richfield

Admiral Sheringham

Deborah Grant

Linda Simmonds

Gary Raymond

Colonel John Grey

Clinton Greyn

Mark Tanner

Windsor Davies

Morgan

Adrienne Corri

Liz Newton

Neil McCallum

Carl Mason

Alan Tilvern

U.S. Delegate

Patrick Mower

Cass Fowler

Oscar James

Plain Clothes Officer

Richard Aylen

Alien

Susan Jameson

Anne Stone

Pippa Steel

Diane

Colin Gordon

Albert Thompson

Godfrey James

Game Warden

Tom Adams

Captain Lauritzen

Jack May

English Delegate

Michael Jayston

Russell Stone

Christopher Timothy

Skydiver 3 Navigator

Stuart Damon

Howard Byrne

Jean Wladon

Actor

Deborah Stanford

Stella Croxley

Gary Files

Phil Wade

Matt Zimmerman

Co-Pilot

Arthur Cox

Louis

Robert Swann

William Grant

Drewe Henley

Maddox

John Breslin

Reed

Barnaby Shaw

John Rutland

Peter Halliday

Dr. Segal

Quinn O'Hara

Sylvia Graham

Mary Merrall

Mrs. O'Connor

Hugo Panczak

SHADO Mobile Navigator

Noel Davis

Artist's Agent

Paul Greenhalgh

Assistant Director

Michael Nightingale

Mary's Father

David Sumner

Captain Frank Craig

Alexis Kanner

Lt. Jim Regan

Geraldine Moffat

Jean Regan

Derren Nesbitt

Colonel Craig Collins

Roland Culver

Sir Esmond

Nancy Nevinson

Housekeeper

David Collings

Daniel Clark

Gavin Campbell

Police Motorcyclist

Alexander Davion

The Executive

Robin Hawdon

Skydiver 3 Captain

Fredric Abbott

Seaman

Richard Caldicot

Film Producer

Ron Pember

Casting Agent

Kirsten Lindholm

Actress

Larry Taylor

Mexican Bandit

Ricardo Montez

Mexican Bandit

James Marcus

SHADO Operative

Stephan Chase

Film Director

Christian Roberts

Tim Redman

John Garrie

Van Driver

Christopher Robbie

Bomb Disposal Expert

Roy Beck

SHADO Security Guard (uncredited)