Arnold Schwarzenegger
Conan
James Earl Jones
Thulsa Doom
Max von Sydow
King Osric
Sandahl Bergman
Valeria
Cassandra Gava
The Witch
Gerry Lopez
Subotai
Mako
The Wizard / Narrator
Valérie Quennessen
The Princess
William Smith
Conan's Father
Luis Barboo
Red Hair
Franco Columbu
Pictish Scout
Leslie Foldvary
Sacrificial Snake Girl
Gary Herman
Osric's Guard
Erik Holmey
Turanian War Officer
Akio Mitamura
Mongol General
Nadiuska
Conan's Mother
Jorge Sanz
Young Conan
Jack Taylor
Priest
Sven-Ole Thorsen
Thorgrim
Kiyoshi Yamasaki
Sword Master
Pilar Alcón
Orgy Slave Girl (uncredited)
Florencio Amarilla
Man (uncredited)
Ron Cobb
Black Lotus Street Peddler (uncredited)
Fabián Conde
Merchant at Tavern (uncredited)
Dragon Dronet
Pit Fighter (uncredited)
Donald Gibb
Osric's Guard (uncredited)
Andrea Guzon
Breeding Woman (uncredited)
Corrie Jansen
Beautiful Woman Jumping to her Death (uncredited)
Olvido Lorente
Guerrera (uncredited)
Isabel Luque
Woman (uncredited)
Celia Milius
High Priestess
John Milius
Foodseller in Old City (uncredited)
Sab Shimono
Subotai (voice, uncredited)