Jon Pertwee

The Doctor

Nicholas Courtney

Brigadier Lethbridge-Stewart

Katy Manning

Jo Grant

Richard Franklin

Captain Yates

John Levene

Sergeant Benton

Wilfred Carter

Sir Reginald Styles

Peter Messaline

Daleks Voices (voice)

Jean McFarlane

Miss Paget

Anna Barry

Anat

Scott Fredericks

Boaz

Jimmy Winston

Shura

Tim Condren

Guerilla

Aubrey Woods

Controller

Valentine Palmer

Monia

Peter Hill

Manager

Andrew Carr

Senior Guard

George Raistrick

Guard

Alex Macintosh

Television Reporter

Gypsie Kemp

UNIT Radio Operator

Deborah Brayshaw

Technician

Rick Lester

Ogron

Maurice Bush

Ogron

David Joyce

Ogron

Frank Menzies

Ogron

Bruce Wells

Ogron

Geoffrey Todd

Ogron

Oliver Gilbert

Dalek Voices (voice)

John Scott Martin

Dalek

Murphy Grumbar

Dalek

Ricky Newby

Dalek

Michael Potter

U.N.I.T. Soldier

William Hartnell

The Doctor (1) (picture) (uncredited)

Patrick Troughton

The Doctor (2) (picture) (uncredited)

Nicholas Briggs

Dalek Voices (Special Edition)