Robert Taylor

Lancelot

Ava Gardner

Guinevere

Mel Ferrer

Arthur

Anne Crawford

Morgan Le Fay

Stanley Baker

Modred

Felix Aylmer

Merlin

Maureen Swanson

Elaine

Gabriel Woolf

Percival

Anthony Forwood

Gareth

Robert Urquhart

Gawaine

Niall MacGinnis

Green Knight

Ann Hanslip

Nan

Jill Clifford

Bronwyn

Stephen Vercoe

Agravaine

Alan Tilvern

Steward (uncredited)

Patricia Owens

Lady Vivien (uncredited)

Dana Wynter

Morgan Le Fay's servant (uncredited)

Julia Arnall

Bit Role

Valentine Dyall

Narrator (uncredited)

Desmond Llewelyn

A Herald (uncredited)

Barry MacKay

Green Knight's Squire (uncredited)

Howard Marion-Crawford

Simon (uncredited)

Henry Oscar

King Mark of Cornwall (uncredited)

Patricia Owen

Lady Vivien (uncredited)

Keith Pyott

Court Chamberlain (uncredited)

Derek Tansley

Green Knight's Squire (uncredited)

Martin Wyldeck

John (uncredited)

Dana Wynter

Morgan Le Fay's Servant (uncredited)

Jan Lustig

Screenplay

Talbot Jennings

Screenplay

Noel Langley

Screenplay

Richard Thorpe

Director

Thomas Malory

Writer

Roger K. Furse

Costume Design

Alfred Junge

Art Direction

Freddie Young

Director of Photography

Hans Peters

Art Direction

Charles E. Parker

Makeup Artist

Stephen Dade

Director of Photography

Pandro S. Berman

Producer

Frank Clarke

Editor

Tom Howard

Visual Effects

Miklós Rózsa

Original Music Composer