Le Chevalier Lancelot

William Russell

Sir Bliant

Cyril Smith

Merlin

Ronald Leigh-Hunt

Merlin

David Morrell

Porter

Robert Scroggins

Brian

Edward Judd

James

Derren Nesbitt

Guard (as Derry Nesbitt)

Jane Hylton

Guinevere

John Gale

Amadeus

Frederick Treves

Rolf

Reginald Hearne

Hedrick

Eric Corrie

The Saracen

Nigel Green

Probus

Douglas Argent

Sir Paddagore

Paul Williamson

Osbert

Garry Thorne

Squire

Brian Worth

Sir Kay

Zena Walker

Lady Angela

Edwin Richfield

Sir Tor

Jennifer Jayne

Elsa

Edward Malin

Father Till (as Eddie Malin)

Hector Ross

Sir Egbert

George Woodbridge

Sir Melias

Colin Tapley

Lord Vanton

Derek Aylward

King Marhaus

Jeanette Hutchinson

Second Woman

Noel Davis

Traveller

John Dearth

Piggott

Bruce Seton

King Arthur

Peter Bennett

Leonides

Paul Hansard

Sir Lionel

John Cazabon

Father Telford

Wilfrid Brambell

Fisherman

Maxine Audley

Eunice

Ballard Berkeley

Sir Urgan

Brian Nissen

Sir Gawaine

Derek Waring

Balin

Patricia Kneale

Ellen

Julian Somers

Kafan

Tommy Duggan

Baron Wicklaw