diff --git a/src/as/com/threerings/parlor/card/data/PlayerCard.as b/src/as/com/threerings/parlor/card/data/PlayerCard.as
index 48062f80..8c4db63d 100644
--- a/src/as/com/threerings/parlor/card/data/PlayerCard.as
+++ b/src/as/com/threerings/parlor/card/data/PlayerCard.as
@@ -53,7 +53,7 @@ public class PlayerCard
     public function readObject (ins :ObjectInputStream) :void
     {
         pidx = ins.readInt();
-        card = (ins.readObject() as Card);
+        card = Card(ins.readObject());
     }
 
     // from interface Streamable
diff --git a/src/as/com/threerings/parlor/data/ChoiceParameter.as b/src/as/com/threerings/parlor/data/ChoiceParameter.as
index f5bd2bdb..9e05f45f 100644
--- a/src/as/com/threerings/parlor/data/ChoiceParameter.as
+++ b/src/as/com/threerings/parlor/data/ChoiceParameter.as
@@ -32,7 +32,7 @@ public class ChoiceParameter extends Parameter
     override public function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        choices = (ins.readObject() as TypedArray);
+        choices = TypedArray(ins.readObject());
         start = (ins.readField(String) as String);
     }
 
diff --git a/src/as/com/threerings/parlor/data/Table.as b/src/as/com/threerings/parlor/data/Table.as
index a6de9f64..fb185252 100644
--- a/src/as/com/threerings/parlor/data/Table.as
+++ b/src/as/com/threerings/parlor/data/Table.as
@@ -240,10 +240,10 @@ public class Table
         tableId = ins.readInt();
         lobbyOid = ins.readInt();
         gameOid = ins.readInt();
-        players = (ins.readObject() as TypedArray);
-        watchers = (ins.readObject() as TypedArray);
-        config = (ins.readObject() as GameConfig);
-        tconfig = (ins.readObject() as TableConfig);
+        players = TypedArray(ins.readObject());
+        watchers = TypedArray(ins.readObject());
+        config = GameConfig(ins.readObject());
+        tconfig = TableConfig(ins.readObject());
     }
 
     // from Streamable
diff --git a/src/as/com/threerings/parlor/data/TableConfig.as b/src/as/com/threerings/parlor/data/TableConfig.as
index b99aa7fc..314b65a9 100644
--- a/src/as/com/threerings/parlor/data/TableConfig.as
+++ b/src/as/com/threerings/parlor/data/TableConfig.as
@@ -58,7 +58,7 @@ public class TableConfig extends SimpleStreamableObject
         super.readObject(ins);
         desiredPlayerCount = ins.readInt();
         minimumPlayerCount = ins.readInt();
-        teamMemberIndices = (ins.readObject() as TypedArray);
+        teamMemberIndices = TypedArray(ins.readObject());
         privateTable = ins.readBoolean();
     }
 
diff --git a/src/as/com/threerings/parlor/game/data/GameConfig.as b/src/as/com/threerings/parlor/game/data/GameConfig.as
index f96314b0..c8aafd0a 100644
--- a/src/as/com/threerings/parlor/game/data/GameConfig.as
+++ b/src/as/com/threerings/parlor/game/data/GameConfig.as
@@ -170,9 +170,9 @@ public /*abstract*/ class GameConfig extends PlaceConfig
     override public function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        players = (ins.readObject() as TypedArray);
+        players = TypedArray(ins.readObject());
         rated = ins.readBoolean();
-        ais = (ins.readObject() as TypedArray);
+        ais = TypedArray(ins.readObject());
     }
 
     // from interface Streamable
diff --git a/src/as/com/threerings/parlor/game/data/GameObject.as b/src/as/com/threerings/parlor/game/data/GameObject.as
index 349bbfad..1f949478 100644
--- a/src/as/com/threerings/parlor/game/data/GameObject.as
+++ b/src/as/com/threerings/parlor/game/data/GameObject.as
@@ -427,7 +427,7 @@ public class GameObject extends PlaceObject
         state = ins.readInt();
         isRated = ins.readBoolean();
         isPrivate = ins.readBoolean();
-        players = (ins.readObject() as TypedArray);
+        players = TypedArray(ins.readObject());
         winners = (ins.readField(TypedArray.getJavaType(Boolean)) as TypedArray);
         sessionId = ins.readInt();
         playerStatus = (ins.readField(TypedArray.getJavaType(int)) as TypedArray);
diff --git a/src/as/com/threerings/whirled/data/SceneModel.as b/src/as/com/threerings/whirled/data/SceneModel.as
index 6ee99756..111c832d 100644
--- a/src/as/com/threerings/whirled/data/SceneModel.as
+++ b/src/as/com/threerings/whirled/data/SceneModel.as
@@ -102,7 +102,7 @@ public class SceneModel extends SimpleStreamableObject
         sceneId = ins.readInt();
         name = (ins.readField(String) as String);
         version = ins.readInt();
-        auxModels = (ins.readObject() as TypedArray);
+        auxModels = TypedArray(ins.readObject());
     }
 
     // documentation inherited from interface Streamable
diff --git a/src/as/com/threerings/whirled/spot/data/ClusterObject.as b/src/as/com/threerings/whirled/spot/data/ClusterObject.as
index c41aadb5..d0184229 100644
--- a/src/as/com/threerings/whirled/spot/data/ClusterObject.as
+++ b/src/as/com/threerings/whirled/spot/data/ClusterObject.as
@@ -75,7 +75,7 @@ public class ClusterObject extends DObject
     {
         super.readObject(ins);
 
-        occupants = (ins.readObject() as OidList);
+        occupants = OidList(ins.readObject());
     }
 }
 }
diff --git a/src/as/com/threerings/whirled/spot/data/ModifyPortalsUpdate.as b/src/as/com/threerings/whirled/spot/data/ModifyPortalsUpdate.as
index 23510345..68957f13 100644
--- a/src/as/com/threerings/whirled/spot/data/ModifyPortalsUpdate.as
+++ b/src/as/com/threerings/whirled/spot/data/ModifyPortalsUpdate.as
@@ -81,8 +81,8 @@ public class ModifyPortalsUpdate extends SceneUpdate
     override public function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        portalsRemoved = (ins.readObject() as TypedArray);
-        portalsAdded = (ins.readObject() as TypedArray);
+        portalsRemoved = TypedArray(ins.readObject());
+        portalsAdded = TypedArray(ins.readObject());
     }
 
     // from interface Streamable
diff --git a/src/as/com/threerings/whirled/spot/data/Portal.as b/src/as/com/threerings/whirled/spot/data/Portal.as
index 28b1f371..95ba9fa7 100644
--- a/src/as/com/threerings/whirled/spot/data/Portal.as
+++ b/src/as/com/threerings/whirled/spot/data/Portal.as
@@ -127,7 +127,7 @@ public class Portal extends SimpleStreamableObject
     {
         super.readObject(ins);
         portalId = ins.readShort();
-        loc = (ins.readObject() as Location);
+        loc = Location(ins.readObject());
         targetSceneId = ins.readInt();
         targetPortalId = ins.readShort();
     }
diff --git a/src/as/com/threerings/whirled/spot/data/SceneLocation.as b/src/as/com/threerings/whirled/spot/data/SceneLocation.as
index a1028720..d74229d6 100644
--- a/src/as/com/threerings/whirled/spot/data/SceneLocation.as
+++ b/src/as/com/threerings/whirled/spot/data/SceneLocation.as
@@ -75,7 +75,7 @@ public class SceneLocation extends SimpleStreamableObject
     {
         super.readObject(ins);
         bodyOid = ins.readInt();
-        loc = (ins.readObject() as Location);
+        loc = Location(ins.readObject());
     }
 
     // documentation inherited from superinterface Streamable
diff --git a/src/as/com/threerings/whirled/spot/data/SpotSceneModel.as b/src/as/com/threerings/whirled/spot/data/SpotSceneModel.as
index 2515db58..b16d08d8 100644
--- a/src/as/com/threerings/whirled/spot/data/SpotSceneModel.as
+++ b/src/as/com/threerings/whirled/spot/data/SpotSceneModel.as
@@ -102,7 +102,7 @@ public class SpotSceneModel extends SimpleStreamableObject
     override public function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        portals = (ins.readObject() as TypedArray);
+        portals = TypedArray(ins.readObject());
         defaultEntranceId = ins.readInt();
     }
 
diff --git a/src/as/com/threerings/whirled/spot/data/SpotSceneObject.as b/src/as/com/threerings/whirled/spot/data/SpotSceneObject.as
index bce7421f..cff55f58 100644
--- a/src/as/com/threerings/whirled/spot/data/SpotSceneObject.as
+++ b/src/as/com/threerings/whirled/spot/data/SpotSceneObject.as
@@ -158,8 +158,8 @@ public class SpotSceneObject extends SceneObject
     {
         super.readObject(ins);
 
-        occupantLocs = (ins.readObject() as DSet);
-        clusters = (ins.readObject() as DSet);
+        occupantLocs = DSet(ins.readObject());
+        clusters = DSet(ins.readObject());
     }
 }
 }
diff --git a/src/as/com/threerings/whirled/zone/data/SceneSummary.as b/src/as/com/threerings/whirled/zone/data/SceneSummary.as
index db04bdbf..d3570253 100644
--- a/src/as/com/threerings/whirled/zone/data/SceneSummary.as
+++ b/src/as/com/threerings/whirled/zone/data/SceneSummary.as
@@ -66,8 +66,8 @@ public class SceneSummary
     {
         sceneId = ins.readInt();
         name = (ins.readField(String) as String);
-        neighbors = (ins.readObject() as TypedArray);
-        neighborDirs = (ins.readObject() as TypedArray);
+        neighbors = TypedArray(ins.readObject());
+        neighborDirs = TypedArray(ins.readObject());
     }
 
     // from interface Streamable
diff --git a/src/as/com/threerings/whirled/zone/data/ZoneSummary.as b/src/as/com/threerings/whirled/zone/data/ZoneSummary.as
index d17b8482..de02c641 100644
--- a/src/as/com/threerings/whirled/zone/data/ZoneSummary.as
+++ b/src/as/com/threerings/whirled/zone/data/ZoneSummary.as
@@ -62,8 +62,8 @@ public class ZoneSummary extends SimpleStreamableObject
     {
         super.readObject(ins);
         zoneId = ins.readInt();
-        name = (ins.readObject() as Name);
-        scenes = (ins.readObject() as TypedArray);
+        name = Name(ins.readObject());
+        scenes = TypedArray(ins.readObject());
     }
 
     // from interface Streamable