Charlie Sheen Charlie Goodson Actor Selma Blair Kate Wales Actor Shawnee Smith Jennifer Goodson Actor Daniela Bobadilla Sam Goodson Actor Michael Arden Patrick Actor Noureen DeWulf Lacey Actor Derek Richardson Nolan Actor Barry Corbin Ed Actor Brian Austin Green Sean Actor Martin Sheen Martin Goodson Guest Star Brett Butler Brett Guest Star Brea Grant Ellie Guest Star Shannon McClung Jack Guest Star Jeff Bowser Vet 1 Guest Star Michael D'Amore Vet 2 Guest Star Bruce Helford Executive Producer Joe Roth Executive Producer Mark Burg Executive Producer Dave Caplan Executive Producer Bob Koherr Director Clay Graham Writer