Arnold Schwarzenegger
James Earl Jones
Max von Sydow
Sandahl Bergman
Ben Davidson
Cassandra Gava
Gerry Lopez
Mako
Valérie Quennessen
William Smith
Arnold Schwarzenegger as Conan
James Earl Jones as Thulsa Doom
Max von Sydow as King Osric
Sandahl Bergman as Valeria
Ben Davidson as Rexor
Cassandra Gava as The Witch (as Cassandra Gaviola)
Gerry Lopez as Subotai
Mako as The Wizard/Narrator
Valérie Quennessen as The Princess
William Smith as Conan's Father
Luis Barboo as Red Hair
Franco Columbu as Pictish Scout
Leslie Foldvary as Sacrificial Snake Girl
Gary Herman as Osric's Guard
Erik Holmey as Turanian War Officer (as Erick Holmey)