diff --git a/source/core/namedef_custom.h b/source/core/namedef_custom.h
index ec5fece57b..73d5b54952 100644
--- a/source/core/namedef_custom.h
+++ b/source/core/namedef_custom.h
@@ -79,3 +79,24 @@ xx(Special)
 xx(CloseAttack)
 xx(Attack)
 xx(Dive)
+xx(Sword)
+xx(Punch)
+xx(HeadHurl)
+xx(HangFall)
+
+xx(Speeds)
+xx(TicAdjust)
+xx(MaxWeapons)
+xx(AmbientSound)
+xx(AlertSound)
+xx(AttackSound)
+xx(PainSound)
+xx(DieSound)
+xx(ExtraSound1)
+xx(ExtraSound2)
+xx(ExtraSound3)
+xx(ExtraSound4)
+xx(ExtraSound5)
+xx(ExtraSound6)
+xx(CloseAttackPercent)
+xx(AttackPercent)
diff --git a/wadsrc/static/zscript/games/sw/swactor.zs b/wadsrc/static/zscript/games/sw/swactor.zs
index 5b6970061d..d7807ec311 100644
--- a/wadsrc/static/zscript/games/sw/swactor.zs
+++ b/wadsrc/static/zscript/games/sw/swactor.zs
@@ -1,5 +1,27 @@
 class SWActor : CoreActor native
 {
+	const MAX_SPEED = 4;
+	const MAX_ACTOR_CLOSE_ATTACK = 2;
+	const MAX_ACTOR_ATTACK = 6;
+
+	meta int16 CloseAttackPercent[MAX_ACTOR_CLOSE_ATTACK];
+	meta int16 AttackPercent[MAX_ACTOR_ATTACK];
+
+	meta int16 Speeds[MAX_SPEED];
+	meta int8 TicAdjust[MAX_SPEED];
+	meta int8 MaxWeapons;
+	meta Sound AmbientSound;
+	meta Sound AlertSound;
+	meta Sound AttackSound;
+	meta Sound PainSound;
+	meta Sound DieSound;
+	meta Sound ExtraSound1;
+	meta Sound ExtraSound2;
+	meta Sound ExtraSound3;
+	meta Sound ExtraSound4;
+	meta Sound ExtraSound5;
+	meta Sound ExtraSound6;
+
 	// all ANIMATORs.
 	native int DoBunnyMove();
 	native int DoBunnyGrowUp();