
Movies (Acting Roles)
Sorted by Release Date
Rock Star
William Martin Brennan was 44 in Rock Star as 'Office Worker'.Movie Released: Tue, Sep 04 2001

Best Men
William Martin Brennan was 41 in Best Men as 'Bank Employee'.Movie Released: Fri, Oct 17 1997

Grim Prairie Tales
William Martin Brennan was 34 in Grim Prairie Tales as 'Bluey'.Movie Released: Fri, Sep 14 1990

Fatal Beauty
William Martin Brennan was 31 in Fatal Beauty as 'Teenager'.Movie Released: Fri, Oct 30 1987
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Transparent
William Martin Brennan was 58+ in Transparent as 'Victor'.TV Show Released: First Air Date
Fri, Sep 26 2014
Fri, Sep 26 2014

Mad Men
William Martin Brennan was 50+ in Mad Men as 'Exec'.TV Show Released: First Air Date
Thu, Jul 19 2007
Thu, Jul 19 2007