diff --git a/src/libs/actions/Report/index.ts b/src/libs/actions/Report/index.ts
index 3bffe9345b5b..50bbde3fb8e1 100644
--- a/src/libs/actions/Report/index.ts
+++ b/src/libs/actions/Report/index.ts
@@ -1967,10 +1967,16 @@ function createTransactionThreadReport(
     const optimisticTransactionThreadReportID = generateReportID();
     const optimisticTransactionThread = buildTransactionThread(iouReportAction, reportToUse, undefined, optimisticTransactionThreadReportID);
     const shouldAddPendingFields = transaction?.pendingAction === CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD || iouReportAction?.pendingAction === CONST.RED_BRICK_ROAD_PENDING_ACTION.ADD;
+    const participantAccountIDsForDetails = [currentUserAccountID];
+    if (iouReportAction?.actorAccountID && iouReportAction.actorAccountID !== currentUserAccountID) {
+        participantAccountIDsForDetails.push(iouReportAction.actorAccountID);
+    }
+    const participantLogins = PersonalDetailsUtils.getLoginsByAccountIDs(participantAccountIDsForDetails);
+    const participants = buildParticipantInfoFromLogins(participantLogins);
     openReport({
         reportID: optimisticTransactionThreadReportID,
         introSelected,
-        participants: currentUserLogin ? [{login: currentUserLogin, accountID: currentUserAccountID}] : [],
+        participants,
         // TODO: allPersonalDetails fallback should be removed in follow-up PRs https://github.com/Expensify/App/issues/73656
         personalDetails: personalDetails ?? allPersonalDetails,
         newReportObject: optimisticTransactionThread,