diff --git a/apps/openmw/mwmechanics/character.cpp b/apps/openmw/mwmechanics/character.cpp
index 5ab195e64..708065024 100644
--- a/apps/openmw/mwmechanics/character.cpp
+++ b/apps/openmw/mwmechanics/character.cpp
@@ -227,7 +227,7 @@ public:
     { return weap.type == type; }
 };
 
-std::string CharacterController::chooseRandomGroup (const std::string& prefix, int* num)
+std::string CharacterController::chooseRandomGroup (const std::string& prefix, int* num) const
 {
     int numAnims=0;
     while (mAnimation->hasAnimation(prefix + toString(numAnims+1)))
@@ -629,7 +629,7 @@ void CharacterController::playDeath(float startpoint, CharacterState death)
                     false, 1.0f, "start", "stop", startpoint, 0);
 }
 
-CharacterState CharacterController::chooseRandomDeathState()
+CharacterState CharacterController::chooseRandomDeathState() const
 {
     int selected=0;
     chooseRandomGroup("death", &selected);
diff --git a/apps/openmw/mwmechanics/character.hpp b/apps/openmw/mwmechanics/character.hpp
index 685bdf1cb..757e2a19f 100644
--- a/apps/openmw/mwmechanics/character.hpp
+++ b/apps/openmw/mwmechanics/character.hpp
@@ -207,12 +207,12 @@ class CharacterController : public MWRender::Animation::TextKeyListener
     void updateMagicEffects();
 
     void playDeath(float startpoint, CharacterState death);
-    CharacterState chooseRandomDeathState();
+    CharacterState chooseRandomDeathState() const;
     void playRandomDeath(float startpoint = 0.0f);
 
     /// choose a random animation group with \a prefix and numeric suffix
     /// @param num if non-NULL, the chosen animation number will be written here
-    std::string chooseRandomGroup (const std::string& prefix, int* num = NULL);
+    std::string chooseRandomGroup (const std::string& prefix, int* num = NULL) const;
 
     bool updateCarriedLeftVisible(WeaponType weaptype) const;
 
diff --git a/apps/openmw/mwrender/animation.cpp b/apps/openmw/mwrender/animation.cpp
index 5435a8c58..c049fa62e 100644
--- a/apps/openmw/mwrender/animation.cpp
+++ b/apps/openmw/mwrender/animation.cpp
@@ -259,7 +259,7 @@ namespace MWRender
 
         ControllerMap mControllerMap[Animation::sNumBlendMasks];
 
-        const std::multimap<float, std::string>& getTextKeys();
+        const std::multimap<float, std::string>& getTextKeys() const;
     };
 
     class ResetAccumRootCallback : public osg::NodeCallback
@@ -314,7 +314,7 @@ namespace MWRender
             mInsert->removeChild(mObjectRoot);
     }
 
-    MWWorld::Ptr Animation::getPtr()
+    MWWorld::ConstPtr Animation::getPtr() const
     {
         return mPtr;
     }
@@ -338,7 +338,7 @@ namespace MWRender
             mResetAccumRootCallback->setAccumulate(mAccumulate);
     }
 
-    size_t Animation::detectBlendMask(osg::Node* node)
+    size_t Animation::detectBlendMask(const osg::Node* node) const
     {
         static const char sBlendMaskRoots[sNumBlendMasks][32] = {
             "", /* Lower body / character root */
@@ -364,7 +364,7 @@ namespace MWRender
         return 0;
     }
 
-    const std::multimap<float, std::string> &Animation::AnimSource::getTextKeys()
+    const std::multimap<float, std::string> &Animation::AnimSource::getTextKeys() const
     {
         return mKeyframes->mTextKeys;
     }
@@ -441,7 +441,7 @@ namespace MWRender
         mAnimSources.clear();
     }
 
-    bool Animation::hasAnimation(const std::string &anim)
+    bool Animation::hasAnimation(const std::string &anim) const
     {
         AnimSourceList::const_iterator iter(mAnimSources.begin());
         for(;iter != mAnimSources.end();++iter)
@@ -1098,7 +1098,7 @@ namespace MWRender
     }
 
     // TODO: Should not be here
-    osg::Vec4f Animation::getEnchantmentColor(MWWorld::Ptr item)
+    osg::Vec4f Animation::getEnchantmentColor(const MWWorld::ConstPtr& item) const
     {
         osg::Vec4f result(1,1,1,1);
         std::string enchantmentName = item.getClass().getEnchantment(item);
@@ -1198,9 +1198,9 @@ namespace MWRender
         }
     }
 
-    void Animation::getLoopingEffects(std::vector<int> &out)
+    void Animation::getLoopingEffects(std::vector<int> &out) const
     {
-        for (std::vector<EffectParams>::iterator it = mEffects.begin(); it != mEffects.end(); ++it)
+        for (std::vector<EffectParams>::const_iterator it = mEffects.begin(); it != mEffects.end(); ++it)
         {
             if (it->mLoop)
                 out.push_back(it->mEffectId);
diff --git a/apps/openmw/mwrender/animation.hpp b/apps/openmw/mwrender/animation.hpp
index 1d7930566..e9d79ced1 100644
--- a/apps/openmw/mwrender/animation.hpp
+++ b/apps/openmw/mwrender/animation.hpp
@@ -270,7 +270,7 @@ protected:
      */
     void resetActiveGroups();
 
-    size_t detectBlendMask(osg::Node* node);
+    size_t detectBlendMask(const osg::Node* node) const;
 
     /* Updates the position of the accum root node for the given time, and
      * returns the wanted movement vector from the previous time. */
@@ -315,7 +315,7 @@ protected:
      */
     virtual void addControllers();
 
-    osg::Vec4f getEnchantmentColor(MWWorld::Ptr item);
+    osg::Vec4f getEnchantmentColor(const MWWorld::ConstPtr& item) const;
 
     void addGlow(osg::ref_ptr<osg::Node> node, osg::Vec4f glowColor);
 
@@ -327,7 +327,7 @@ public:
     Animation(const MWWorld::Ptr &ptr, osg::ref_ptr<osg::Group> parentNode, Resource::ResourceSystem* resourceSystem);
     virtual ~Animation();
 
-    MWWorld::Ptr getPtr();
+    MWWorld::ConstPtr getPtr() const;
 
     /// Set active flag on the object skeleton, if one exists.
     /// @see SceneUtil::Skeleton::setActive
@@ -349,11 +349,11 @@ public:
      */
     void addEffect (const std::string& model, int effectId, bool loop = false, const std::string& bonename = "", std::string texture = "");
     void removeEffect (int effectId);
-    void getLoopingEffects (std::vector<int>& out);
+    void getLoopingEffects (std::vector<int>& out) const;
 
     virtual void updatePtr(const MWWorld::Ptr &ptr);
 
-    bool hasAnimation(const std::string &anim);
+    bool hasAnimation(const std::string &anim) const;
 
     // Specifies the axis' to accumulate on. Non-accumulated axis will just
     // move visually, but not affect the actual movement. Each x/y/z value