Portrait of John O'Brien

John O'Brien

Born: Unknown birthdate.
John O'Brien is ?
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Acting Roles
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Movies (Acting Roles)

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Poster of Cult Culture: The Poseidon Adventure
Cult Culture: The Poseidon Adventure
John O'Brien was
? in Cult Culture: The Poseidon Adventure
as 'Himself'.
Wed, Dec 31 2003

TV Shows (Acting Roles)

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of Mako: Island of Secrets
Mako: Island of Secrets
John O'Brien was
? in Mako: Island of Secrets
as 'Dr. Blakely'.
First Air Date
Fri, Jul 26 2013
Poster of Sabrina, the Teenage Witch
Sabrina, the Teenage Witch
John O'Brien was
? in Sabrina, the Teenage Witch
as 'Customer #3'.
First Air Date
Fri, Sep 27 1996