diff --git a/app/assets/javascripts/ml/model_registry/apps/show_ml_model.vue b/app/assets/javascripts/ml/model_registry/apps/show_ml_model.vue
index 27346956a838af2f188bc843c6cc1433ffa94b45..4f77d9c481768ccca4d216f12d737300ab08c5d9 100644
--- a/app/assets/javascripts/ml/model_registry/apps/show_ml_model.vue
+++ b/app/assets/javascripts/ml/model_registry/apps/show_ml_model.vue
@@ -1,7 +1,7 @@
 <script>
 import { GlAvatar, GlBadge, GlButton, GlTab, GlTabs, GlSprintf, GlIcon, GlLink } from '@gitlab/ui';
 import VueRouter from 'vue-router';
-import { n__, s__, sprintf } from '~/locale';
+import { __, n__, s__, sprintf } from '~/locale';
 import TitleArea from '~/vue_shared/components/registry/title_area.vue';
 import { MODEL_ENTITIES } from '~/ml/model_registry/constants';
 import ModelVersionList from '~/ml/model_registry/components/model_version_list.vue';
@@ -219,6 +219,7 @@ export default {
     versionCountTitle: s__('MlModelRegistry|Total versions'),
     latestVersionTitle: s__('MlModelRegistry|Latest version'),
     authorTitle: s__('MlModelRegistry|Publisher'),
+    noneText: __('None'),
   },
   modelVersionEntity: MODEL_ENTITIES.modelVersion,
   ROUTE_DETAILS,
@@ -312,8 +313,9 @@ export default {
           <div class="gl-pt-6 md:gl-col-span-1">
             <div>
               <div class="gl-text-lg gl-font-bold">{{ $options.i18n.authorTitle }}</div>
-              <div v-if="showModelAuthor" class="gl-pt-2 gl-text-subtle">
+              <div class="gl-pt-2 gl-text-subtle" data-testid="sidebar-author">
                 <gl-link
+                  v-if="showModelAuthor"
                   data-testid="sidebar-author-link"
                   class="js-user-link gl-font-bold !gl-text-subtle"
                   :href="model.author.webUrl"
@@ -321,25 +323,29 @@ export default {
                   <gl-avatar :label="model.author.name" :src="model.author.avatarUrl" :size="24" />
                   {{ model.author.name }}
                 </gl-link>
+                <span v-else>{{ $options.i18n.noneText }}</span>
               </div>
             </div>
-            <div v-if="showModelLatestVersion" class="gl-mt-5" data-testid="latest-version-label">
+            <div class="gl-mt-5">
               <div class="gl-text-lg gl-font-bold">{{ $options.i18n.latestVersionTitle }}</div>
-              <div class="gl-pt-2 gl-text-subtle">
+              <div class="gl-pt-2 gl-text-subtle" data-testid="sidebar-latest-version">
                 <gl-link
+                  v-if="showModelLatestVersion"
                   data-testid="sidebar-latest-version-link"
                   :href="model.latestVersion._links.showPath"
                 >
                   {{ model.latestVersion.version }}
                 </gl-link>
+                <span v-else>{{ $options.i18n.noneText }}</span>
               </div>
             </div>
             <div class="gl-mt-5">
               <div class="gl-text-lg gl-font-bold">{{ $options.i18n.versionCountTitle }}</div>
-              <div v-if="showCreatedDetail" class="gl-pt-2 gl-text-subtle">
-                <span data-testid="sidebar-version-count">
+              <div class="gl-pt-2 gl-text-subtle" data-testid="sidebar-version-count">
+                <span v-if="versionCount">
                   {{ versionCount }}
                 </span>
+                <span v-else>{{ $options.i18n.noneText }}</span>
               </div>
             </div>
           </div>
diff --git a/app/assets/javascripts/ml/model_registry/apps/show_ml_model_version.vue b/app/assets/javascripts/ml/model_registry/apps/show_ml_model_version.vue
index 3e8a3baafee11c72ee762eeb999a574ed2313e1b..d7c72780c7fb70dcd05a8cc0f227f27f0006e851 100644
--- a/app/assets/javascripts/ml/model_registry/apps/show_ml_model_version.vue
+++ b/app/assets/javascripts/ml/model_registry/apps/show_ml_model_version.vue
@@ -239,6 +239,7 @@ export default {
       artifacts: s__('MlModelRegistry|Artifacts'),
       performance: s__('MlModelRegistry|Performance'),
     },
+    noneText: __('None'),
   },
   ROUTE_DETAILS,
   ROUTE_ARTIFACTS,
@@ -321,8 +322,9 @@ export default {
 
       <div class="gl-pt-6 md:gl-col-span-1">
         <div class="gl-text-lg gl-font-bold">{{ $options.i18n.authorTitle }}</div>
-        <div v-if="showAuthor" class="gl-mt-3 gl-text-subtle">
+        <div class="gl-mt-3 gl-text-subtle" data-testid="sidebar-author">
           <gl-link
+            v-if="showAuthor"
             data-testid="sidebar-author-link"
             class="js-user-link gl-font-bold !gl-text-subtle"
             :href="author.webUrl"
@@ -330,6 +332,7 @@ export default {
             <gl-avatar :label="author.name" :src="author.avatarUrl" :size="24" />
             {{ author.name }}
           </gl-link>
+          <span v-else>{{ $options.i18n.noneText }}</span>
         </div>
       </div>
     </div>
diff --git a/spec/frontend/ml/model_registry/apps/show_ml_model_spec.js b/spec/frontend/ml/model_registry/apps/show_ml_model_spec.js
index 522a3733d2cfc2da9cf677d52c057bb1d732632f..d9374c03d042b952d00b3435912e937209a66678 100644
--- a/spec/frontend/ml/model_registry/apps/show_ml_model_spec.js
+++ b/spec/frontend/ml/model_registry/apps/show_ml_model_spec.js
@@ -380,7 +380,7 @@ describe('ml/model_registry/apps/show_ml_model', () => {
       it('does not display sidebar latest version link when model does not have a latest version', () => {
         createWrapper({ latestVersion: null });
         expect(findLatestVersionLink().exists()).toBe(false);
-        expect(wrapper.findByTestId('latest-version-label').exists()).toBe(false);
+        expect(wrapper.findByTestId('sidebar-latest-version').text()).toBe('None');
       });
     });
 
@@ -401,7 +401,7 @@ describe('ml/model_registry/apps/show_ml_model', () => {
       });
 
       it('does not display sidebar version count', () => {
-        expect(findVersionCount().exists()).toBe(false);
+        expect(findVersionCount().text()).toBe('None');
       });
     });
   });
diff --git a/spec/frontend/ml/model_registry/apps/show_ml_model_version_spec.js b/spec/frontend/ml/model_registry/apps/show_ml_model_version_spec.js
index 2f606e106160c78c716b649a72bb5dea342a8728..1bacd469687da0e7bc6cacc30452965282ee7d98 100644
--- a/spec/frontend/ml/model_registry/apps/show_ml_model_version_spec.js
+++ b/spec/frontend/ml/model_registry/apps/show_ml_model_version_spec.js
@@ -176,6 +176,7 @@ describe('ml/model_registry/apps/show_model_version.vue', () => {
         createWrapper({ resolver: jest.fn().mockRejectedValue(new Error('Failure!')) });
         await waitForPromises();
         expect(findSidebarAuthorLink().exists()).toBe(false);
+        expect(wrapper.findByTestId('sidebar-author').text()).toBe('None');
       });
     });
   });