Dennis Hopper | Dennis Quaid | Dennis the Menace | Dennis Rodman | Dennis Miller | Dennis Potter | Dennis Haysbert | Dennis the Menace (1959 TV series) | Dennis Kucinich | Dennis Morgan | Dennis Lillee | Dennis Dart | Dennis Prager | Dennis Oppenheim | Dennis Waterman | Dennis Green | Dennis Franchione | Dennis | Sandy Dennis | Hugh Dennis | Dennis Morgan (songwriter) | Dennis Lehane | Dennis Adams | Liam Cahill | Dennis Wilson | Dennis Wheatley | Dennis Tito | Dennis O'Keefe | Dennis Cooper | Dennis Christopher |
He is a member of two contemporary traditional music groups: The Gloaming (with Martin Hayes, Iarla Ó Lionáird, Dennis Cahill and Thomas Bartlett) and This Is How We Fly (with Petter Berndalen, Nic Gareiss and Seán Mac Erlaine).