TypeError：props 属性未定义 Vue2

Question

//TypeError: this.ONE_FILM.actors 未定义

<template>     <ul         v-for="actor in allActors";         :key="actor.id";     >         <li>{{ actor }}</li>     </ul>  </template>  <script>  import {mapGetters, mapActions} from "vuex"; computed: {     ...mapGetters(["ONE_FILM"]),     allActors() {         return this.ONE_FILM.actors.split(",")     },     allVoiceActors() {         return this.ONE_FILM.rolesDuplicated.split(",")     }, } </script>