American Dad! Season 18 Characters & Cast — No Spoilers
Every character in American Dad! season 18 with photos and the actors who play them, including Seth MacFarlane, Wendy Schaal, Rachael MacFarlane — spoiler-free, nothing from later seasons.
- Stan Smith / Roger (voice) — played by Seth MacFarlane
- Francine Smith (voice) — played by Wendy Schaal
- Hayley Smith (voice) — played by Rachael MacFarlane
- Steve Smith (voice) — played by Scott Grimes
- Klaus (voice) — played by Dee Bradley Baker
- Jeff Fischer (voice) — played by Jeff Fischer
- Avery Bullock (voice) — played by Patrick Stewart
- Al Tuttle (voice) — played by Richard Kind
- Milford (voice) / Principal Lewis (voice) / Billy (voice) — played by Kevin Michael Richardson
- Esther Lonstein (voice) / Danuta (voice) — played by Nicole Shabtai
- Interviewer (voice) / Woman Carrying Dog (voice) / Coach Cathy (voice) / Elizabeth Bennet (voice) — played by Courtenay Taylor
- Lindsey (voice) / Porno Director (voice) / (voice) — played by Khary Payton
- Hank Henderson (voice) / Ranch Hand (voice) / Adam / Male Flower Thief (voice) — played by Matthew Mercer
- Memphis Stormfront (voice) / Old Man (voice) — played by Andy Daly
- Airplane Passenger (voice) / Jackson (voice) — played by Mike Henry
- Dick Reynolds (voice) — played by David Koechner
- Snot Lonstein (voice) — played by Curtis Armstrong
- Chicago Dave (voice) / Gross Oyster Man (voice) — played by Jon Daly
- Jennifer / Female Flower Thief (voice) / Piper (voice) — played by Laura Bailey
- Teela (voice) / Airplane Passenger (voice) — played by Erin Matthews
All seasons of American Dad!: full spoiler-free character guide