Columns

HTML

<div ng-app="app">
  <div ng-controller="Controller as ctrl">

    <div class="columns">
      <div ng-repeat="item in ctrl.items" class=" actor-detail" ng-click=onLocalSetMainActor() >
        {{item.name}}
      </div>
    </div>
  </div>
</div>

CSS

.columns {
  -webkit-column-count: 3; 
}
.actor-detail {
    margin-left: 0;
    margin-right: 0;
    max-width: 250px;
    background-color: #fff;
    height: 40px;
    border: 1px solid #c1c1c1;
}

JavaScript

angular
  .module('app', [])
  .controller('Controller', Controller);

function Controller() {
  var vm = this;

  vm.items = [];

  for (var i = 1; i < 7; i++) {
    vm.items.push({
      name: 'actor ' + i
    });
  }
}