diff --git a/source/core/actorlist.cpp b/source/core/actorlist.cpp
index a27ec5f49..c0b534e86 100644
--- a/source/core/actorlist.cpp
+++ b/source/core/actorlist.cpp
@@ -506,8 +506,78 @@ DEFINE_FIELD_NAMED(DCoreActor, sprext.mdanimcur, mdanimcur)
 DEFINE_FIELD_NAMED(DCoreActor, sprext.angoff, angoff)
 DEFINE_FIELD_NAMED(DCoreActor, sprext.pitch, pitch)
 DEFINE_FIELD_NAMED(DCoreActor, sprext.roll, roll)
-DEFINE_FIELD_NAMED(DCoreActor, sprext.pivot_offset, pivot_offset)
 DEFINE_FIELD_NAMED(DCoreActor, sprext.renderflags, renderflags)
 DEFINE_FIELD_NAMED(DCoreActor, sprext.alpha, alpha)
 DEFINE_FIELD_NAMED(DCoreActor, time, spawnindex)
 
+DEFINE_ACTION_FUNCTION(DCoreActor, pos)
+{
+	PARAM_SELF_PROLOGUE(DCoreActor);
+	ACTION_RETURN_VEC3(DVector3(self->spr.pos.X * (1 / 16.), self->spr.pos.Y * (1 / 16.), self->spr.pos.Z * (1 / 256.)));
+}
+
+void coreactor_setpos(DCoreActor* self, double x, double y, double z, int relink)
+{
+	self->spr.pos.X = int(x * 16);
+	self->spr.pos.Y = int(y * 16);
+	self->spr.pos.Z = int(z * 256);
+	// todo: SW needs to call updatesectorz here or have a separate function.
+	if (relink) updatesector(self->spr.pos.X, self->spr.pos.Y, &self->spr.sectp);
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(DCoreActor, setpos, coreactor_setpos)
+{
+	PARAM_SELF_PROLOGUE(DCoreActor);
+	PARAM_FLOAT(x);
+	PARAM_FLOAT(y);
+	PARAM_FLOAT(z);
+	PARAM_BOOL(relink);
+	coreactor_setpos(self, x, y, z, relink);
+	return 0;
+}
+
+void coreactor_move(DCoreActor* self, double x, double y, double z, int relink)
+{
+	self->spr.pos.X += int(x * 16);
+	self->spr.pos.Y += int(y * 16);
+	self->spr.pos.Z += int(z * 256);
+	// todo: SW needs to call updatesectorz here or have a separate function.
+	if (relink) updatesector(self->spr.pos.X, self->spr.pos.Y, &self->spr.sectp);
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(DCoreActor, move, coreactor_move)
+{
+	PARAM_SELF_PROLOGUE(DCoreActor);
+	PARAM_FLOAT(x);
+	PARAM_FLOAT(y);
+	PARAM_FLOAT(z);
+	PARAM_BOOL(relink);
+	coreactor_move(self, x, y, z, relink);
+	return 0;
+}
+
+void coreactor_setz(DCoreActor* self, double z)
+{
+	self->spr.pos.Z = int(z * 256);
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(DCoreActor, setz, coreactor_setz)
+{
+	PARAM_SELF_PROLOGUE(DCoreActor);
+	PARAM_FLOAT(z);
+	self->spr.pos.Z = int(z * 256);
+	return 0;
+}
+
+void coreactor_addz(DCoreActor* self, double z)
+{
+	self->spr.pos.Z += int(z * 256);
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(DCoreActor, addz, coreactor_addz)
+{
+	PARAM_SELF_PROLOGUE(DCoreActor);
+	PARAM_FLOAT(z);
+	self->spr.pos.Z = int(z * 256);
+	return 0;
+}
diff --git a/wadsrc/static/zscript/coreactor.zs b/wadsrc/static/zscript/coreactor.zs
index c93f3bb8f..981b6c7f5 100644
--- a/wadsrc/static/zscript/coreactor.zs
+++ b/wadsrc/static/zscript/coreactor.zs
@@ -29,10 +29,18 @@ class CoreActor native
 	native uint mdanimtims;
 	native int16 mdanimcur;
 	native int16 angoff, pitch, roll;
-	//native vec3 pivot_offset, position_offset;
+	//native vec3 pivot_offset, position_offset; // no access needed - these are display only.
 	native uint8 renderflags;
 	native float alpha;
 
 	native readonly int spawnindex;
+
+	// note that the pos vector is not directly accessible here.
+	// Its mixed fixed point format should be hidden from scripting, plus we need to wrap the setters to ensure proper sector linking anyway.
+	native Vector3 pos();
+	native void setpos(Vector3 newpos, bool relink = true);
+	native void move(Vector3 newpos, bool relink = true);
+	native void setz(double newz);
+	native void addz(double amount);
 }