As a child, Whitehead was fascinated by films and the theatre. He decided to make acting his career after his father took him to see
Charlie Chaplin and
Jackie Coogan in
The Kid in 1921. and gave public talks on the religion throughout that decade, such as at
World Religion Day observances and other occasions.* {{cite news | title =World Religion Observance set | newspaper =Reno Gazette-Journal | location =Reno, Nevada | page =5 | date =16 Jan 1953 | url =https://www.newspapers.com/clip/4930114/bahai_oz_whitehead_talks_at_world/ • {{cite news | title =Baha'is meet Sunday | newspaper =The Sun and the Erie County Independent | location =Hamburg, New York | page =7 | date =14 Jan 1954 | url =https://www.newspapers.com/clip/1754279/bahais_observe_world_religion_day_with/ • {{cite news | title =Baha'i schools ending sessions | newspaper =The New York Age | location =New York, New York | page =4 | date =4 Sep 1954 | url =https://www.newspapers.com/clip/286898/the_new_york_age/ • {{cite news |first= Frank |last= Sawyer | title =The Baha'i religion reflects a new era | newspaper =The New York Age | location =New York, New York | page =11 | date =16 Feb 1957 | url =https://www.newspapers.com/clip/286977/the_new_york_age/ Whitehead went on a
pilgrimage to Baháʼí's spiritual and administrative center in
Haifa in 1955, and attended the first
Baháʼí World Congress in London in 1963. That same year, Whitehead
pioneered to
Dublin, while also taking on theatrical opportunities in the city. He was elected to the
Local Spiritual Assembly of Dublin and the National Spiritual Assembly of Ireland following its formation in 1972, and served in that role for 15 years. From about 1973 through the end of his life, Whitehead devoted much of his time to the concerns of the religion. The results of this work included the authoring of three books collecting biographies of early Baháʼí adherents, which were published during his 60s. Whitehead also supported the
Irish Actors' Equity and the
Screen Actors' Guild, and served on the executive committee of the Irish branch of the international writers' club,
PEN. ==Death==