Kerrigan Patrick Mahan (born January 27, 1955), also known as Ryan O'Flannigan, is an American voice actor known for his performances in multiple series of Power Rangers and VR Troopers.

Kerrigan provides the voice of Michael Douglas in "Family Guy Viewer Mail No. 1", "Barely Legal" and "The New Adventures of Old Tom", plus other assorted voices.

Community content is available under CC-BY-SA unless otherwise noted.