Dennis O'Sullivan

Drama Series - 1984, 16 episodes • as Policeman

An unassuming mystery writer turned sleuth uses her professional insight to help solve real-life homicide cases.

Drama Series - 1979, 16 episodes • as Officer

The domestic adventures, misdeeds and everyday interactions of five families living on a cul-de-sac in a small California community.

Movie - 1988, 2h 15m • as Paul Murphy

A tough old school Arizona cop is teamed with a lesbian partner to catch a serial killer who preys on police.