def split_line(line):
    """
    Given a line like | ''[[813 (film)|813]]'' || [[Charles Christie]], [[Scott Sidney]] || [[Wedgwood Nowell]], [[Ralph Lewis (actor)|Ralph Lewis]], [[Wallace Beery]], [[Laura La Plante]] || Mystery || [[Film Booking Offices of America|FBO]]
    Retrun a list of the strings between '||'
    """
    return [cell.strip() for cell in line.split("||")]