ɪn tˈuː θˈaʊzənd nˈaɪntiːn, wˈɔldʒɚ stˈɑːɹd æz nˈæsɐ ˈæstɹənˌɔːt mˈɑːli kˈɑːb ɪnðə fˈɜːst sˈiːzən ʌvðɪ ˈæpəl tˌiːvˈiː plˈʌs ɚɹˈɪdʒɪnəl sˈaɪəns fˈɪkʃən spˈeɪs dɹˈɑːmə sˈɪɹiz fɔːɹ ˈɔːl mæŋkˈaɪnd.
In 2019, Walger starred as NASA astronaut Molly Cobb in the first season of the Apple TV+ original science fiction space drama series For All Mankind.