LinearLayout Below Another LinearLayout

I am trying to put a LinearLayout right below another LinearLayout but it is lining up next to it and not below what is wrong

Will it be easier with RelativeLayout or am I just missing something

Please find the code below

<LinearLayout xmlns:android="http://ift.tt/nIICcg"
xmlns:card_view="http://ift.tt/GEGVYd"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<android.support.v7.widget.CardView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    card_view:contentPadding="@dimen/activity_horizontal_margin"
    card_view:cardCornerRadius="3dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:background="#757575">

    <TextView
        android:id="@+id/tv_movie"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingLeft="5dp"
        android:paddingRight="5dp"
        android:gravity="center"
        android:textSize="@dimen/abc_text_size_body_1_material"
        android:text="Name:"/>

    <TextView
        android:id="@+id/tv_movie1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingLeft="15dp"
        android:paddingRight="5dp"
        android:text="Surname:"
        android:gravity="center"
        android:textSize="@dimen/abc_text_size_body_1_material"
        />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:layout_gravity="center_horizontal"
            android:background="#DDD">

            <TextView
                android:id="@+id/tv_movie2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:paddingLeft="5dp"
                android:paddingRight="5dp"
                android:layout_gravity="center_horizontal"
                android:textSize="@dimen/abc_text_size_body_1_material"
                android:text="Age:"/>

            <TextView
                android:id="@+id/tv_movie13"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:paddingLeft="15dp"
                android:paddingRight="5dp"
                android:text="Gender:"
                android:layout_gravity="center_horizontal"
                android:textSize="@dimen/abc_text_size_body_1_material"
                />


        </LinearLayout>


    </LinearLayout>

</android.support.v7.widget.CardView>

</LinearLayout>