diff --git a/sample-env b/sample-env
index 39826d2..b183ab5 100644
--- a/sample-env
+++ b/sample-env
@@ -1,6 +1,7 @@
 GITHUB_ACCESS_TOKEN=xxx
-COMMENT_ACTOR=ci-comment-username
+COMMENT_ACTOR=username
 COMMENT_BODY_REGEXP=build failed
 COMMENT_BODY_REGEXP_FLAGS=i
 PULL_LABEL_FILTER=
+PULL_AUTHOR_FILTER=
 PULL_RETEST_BODY=retest
diff --git a/src/index.mjs b/src/index.mjs
index f70b100..f9e0aab 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -18,6 +18,7 @@ export default async function() {
     COMMENT_BODY_REGEXP_FLAGS,
     COMMENT_ACTOR,
     PULL_LABEL_FILTER,
+    PULL_AUTHOR_FILTER,
     PULL_RETEST_BODY,
   } = process.env;
 
@@ -36,6 +37,7 @@ export default async function() {
       const pull = await getPull(repo, comment.number);
 
       if (pull.state !== 'open') return false; // filter out any closed pulls
+      if (PULL_AUTHOR_FILTER && !pull.owner !== PULL_AUTHOR_FILTER) return false; // filter on owner
       if (PULL_LABEL_FILTER && !pull.labels.includes(PULL_LABEL_FILTER)) return false; // filter on label
 
       return { comment, pull };
diff --git a/src/lib/get_pull.mjs b/src/lib/get_pull.mjs
index 1296505..07c7e3f 100644
--- a/src/lib/get_pull.mjs
+++ b/src/lib/get_pull.mjs
@@ -4,6 +4,7 @@ export default async function getPull(repo, id) {
     id: pull.id,
     url: pull.url,
     number: pull.number,
+    owner: pull.user.login,
     state: pull.state,
     title: pull.title,
     labels: pull.labels.map(label => label.name),