The mid-century period of the church saw the nave expanded to include north and south transepts and the altar placed at a central crossing.

[1] As All Saints grew, it became the church home for many of Long Beach's prominent citizens, such as future California Governor George Deukmejian, who was a member throughout his adult life and political career.

After seminary, Thompson returned to All Saints in 1973 to serve as curate; in 1975, at the age of 28, he was elected to succeed Behm as the church's sixth rector.

Under Thompson's leadership, All Saints became one of the most generous parishes in contributing to the Diocese of Los Angeles' Mission Share Fund.

[4] The divide between the Episcopal Church and All Saints grew in 2003 with the election of Gene Robinson, a partnered gay man, as bishop of New Hampshire.

In June 2004, Thompson led a conference of Anglican Communion Network members in southern California seeking alternative primatial oversight.

[10] In September 2004, Bruno and the Diocese of Los Angeles sued the departing congregations to regain control of the property under the Episcopal Church's Dennis Canon.

[4] After the conclusion of the litigation, Thompson and Bruno reached an agreement for All Saints to buy the church property from the diocese.

As the leader of the western Anglican proto-diocese, Thompson was elected the first bishop of the newly approved diocese at ACNA's inaugural assembly in Bedford, Texas, in 2009.

[16] During Lent and Holy Week, All Saints regularly hosts an "immersive theatre" presentation of the death of Jesus Christ.