Gregory Peck as Captain Ahab

Richard Basehart as Ishmael

Leo Genn as Starbuck

James Robertson Justice as Capt. Boomer

Harry Andrews as Stubb

Bernard Miles as The Manxman

Noel Purcell as Ship's Carpenter

Edric Connor as Daggoo

Mervyn Johns as Peleg

Joseph Tomelty as Peter Coffin

Francis de Wolff as Capt. Gardiner

Philip Stainton as Bildad

Royal Dano as Elijah

Seamus Kelly as Flask

Friedrich von Ledebur as Queequeg

Orson Welles as Father Mapple

John Huston as Barman / Ship's Lookout (voice) (uncredited)

Carol White as Young Girl (uncredited)

Frazer Hines as Boy (uncredited)