Single Point of Failure

Elyes Gabel

Walter O'Brien

Katharine McPhee

Paige Dineen

Jadyn Wong

Happy Quinn

Eddie Kaye Thomas

Toby Curtis

Ari Stidham

Sylvester Dodd

Riley B. Smith

Ralph Dineen

Robert Patrick

Agent Cabe Gallo

Joel Gretsch

Governor Lane

Stuart McLean

Mr. Creevy

Andy T. Tran

Jonah

Bryan Krasner

Jed Hausler

Erick Avari

Richter

Emma Fassler

Richter's Assistant

Emily Robinson

Young Megan O'Brien

Diahnna Nicole Baxter

Therapist

Kate Butler

Mrs. Lane

Doc Farrow

Guard Rivas

Brian Glanney

Doctor

Silvia McClure

Nun

Ruby Roth

Sara

Rajan Velu

Kiosk Operator

Camille Guaty

Megan O'Brien

Daniel Zolghadri

Young Walter O'Brien