diff --git a/src/playsim/actor.h b/src/playsim/actor.h
index 8e562f1253..ece9be8e08 100644
--- a/src/playsim/actor.h
+++ b/src/playsim/actor.h
@@ -1362,18 +1362,23 @@ public:
 	DVector3 Prev;
 	DRotator PrevAngles;
 	DAngle   PrevFOV;
-	int PrevPortalGroup;
 	TArray<FDynamicLight *> AttachedLights;
 	TDeletingArray<FLightDefaults *> UserLights;
+	int PrevPortalGroup;
 
 	// When was this actor spawned?
 	int SpawnTime;
 	uint32_t SpawnOrder;
 
+	int UnmorphTime;
+	int MorphFlags;
+	int PremorphProperties;
+	PClassActor* MorphExitFlash;
 	// landing speed from a jump with normal gravity (squats the player's view)
 	// (note: this is put into AActor instead of the PlayerPawn because non-players also use the value)
 	double LandingSpeed;
 
+
 	// ThingIDs
 	void SetTID (int newTID);
 
diff --git a/src/playsim/p_mobj.cpp b/src/playsim/p_mobj.cpp
index e1a1fb6fbc..daa19670fa 100644
--- a/src/playsim/p_mobj.cpp
+++ b/src/playsim/p_mobj.cpp
@@ -393,7 +393,13 @@ void AActor::Serialize(FSerializer &arc)
 		A("userlights", UserLights)
 		A("WorldOffset", WorldOffset)
 		("modelData", modelData)
-		A("LandingSpeed", LandingSpeed);
+		A("LandingSpeed", LandingSpeed)
+
+		("unmorphtime", UnmorphTime)
+		("morphflags", MorphFlags)
+		("premorphproperties", PremorphProperties)
+		("morphexitflash", MorphExitFlash);
+
 
 		SerializeTerrain(arc, "floorterrain", floorterrain, &def->floorterrain);
 		SerializeArgs(arc, "args", args, def->args, special);
diff --git a/src/scripting/vmthunks_actors.cpp b/src/scripting/vmthunks_actors.cpp
index 7094212e0f..acf2538076 100644
--- a/src/scripting/vmthunks_actors.cpp
+++ b/src/scripting/vmthunks_actors.cpp
@@ -2126,6 +2126,10 @@ DEFINE_FIELD(AActor, ShadowAimFactor)
 DEFINE_FIELD(AActor, ShadowPenaltyFactor)
 DEFINE_FIELD(AActor, AutomapOffsets)
 DEFINE_FIELD(AActor, LandingSpeed)
+DEFINE_FIELD(AActor, UnmorphTime)
+DEFINE_FIELD(AActor, MorphFlags)
+DEFINE_FIELD(AActor, PremorphProperties)
+DEFINE_FIELD(AActor, MorphExitFlash)
 
 DEFINE_FIELD_X(FCheckPosition, FCheckPosition, thing);
 DEFINE_FIELD_X(FCheckPosition, FCheckPosition, pos);
diff --git a/wadsrc/static/zscript/actors/morph.zs b/wadsrc/static/zscript/actors/morph.zs
index b9fdbb101f..9cd21287a0 100644
--- a/wadsrc/static/zscript/actors/morph.zs
+++ b/wadsrc/static/zscript/actors/morph.zs
@@ -35,10 +35,10 @@ extend class Actor
 		MPROP_INVIS				= 1 << 6,
 	}
 
-	int UnmorphTime;
-	EMorphFlags MorphFlags;
-	class<Actor> MorphExitFlash;
-	EPremorphProperty PremorphProperties;
+	native int UnmorphTime;
+	native int MorphFlags;
+	native class<Actor> MorphExitFlash;
+	native int PremorphProperties;
 
 	// Players still track these separately for legacy reasons.
 	void SetMorphStyle(EMorphFlags flags)