Odcizený syn Deana Archera.
Sean Archer je syn doktora Deana Archera. S otcem neměli dobrý vztah. Sean začal brát drogy a nakonec skončil ve vězení. Nedávno byl propuštěn a znovu se s otcem snaží navázat vztah.
Objevil se v dílech:
- 8. ŘADA – (Caught Between) The Wrecking Ball and the Butterfly, The Clothes Make the Man… Or Do They?, It Is What It Is, Until It Isn't, It's an Ill Wind That Blows Nobody Good, Those Times You Have to Cross the Line, Know When to Hold and When to Fold, I Could See the Writing on the Wall, Look Closely and You Might Hear the Truth, The Winds of Change Are Starting to Blow, Does One Door Close and Another One Open?
- 9. ŘADA – Row Row Row Your Boat on a Rocky Sea, This Town Ain't Big Enough for Both of Us, These are Not the Droids You are Looking For, I Make A Promise, I Will Never Leave You, Step on a Crack and Break Your Mother's Back, I Think I Know You, But Do I Really?