def list_team_members(team_name, profile="github", ignore_cache=False):
    '''
    Gets the names of team members in lower case.

    team_name
        The name of the team from which to list members.

    profile
        The name of the profile configuration to use. Defaults to ``github``.

    ignore_cache
        Bypasses the use of cached team members.

    CLI Example:

    .. code-block:: bash

        salt myminion github.list_team_members 'team_name'

    .. versionadded:: 2016.11.0
    '''
    cached_team = get_team(team_name, profile=profile)
    if not cached_team:
        log.error('Team %s does not exist.', team_name)
        return False
    # Return from cache if available
    if cached_team.get('members') and not ignore_cache:
        return cached_team.get('members')

    try:
        client = _get_client(profile)
        organization = client.get_organization(
            _get_config_value(profile, 'org_name')
        )
        team = organization.get_team(cached_team['id'])
    except UnknownObjectException:
        log.exception('Resource not found: %s', cached_team['id'])
    try:
        cached_team['members'] = [member.login.lower()
                                  for member in team.get_members()]
        return cached_team['members']
    except UnknownObjectException:
        log.exception('Resource not found: %s', cached_team['id'])
        return []