The Young Kieslowski

Ryan Malgarini

— Brian Kieslowski

Haley Lu Richardson

— Leslie Mallard

Joshua Malina

— Robert Kieslowski

Melora Walters

— Barbara Kieslowski

James Le Gros

— Walter Mallard

Osric Chau

— Han Yeol Cho

Jessica Lu

— Hi Jing

John Redlinger

— Charles

Sam Aotaki

— Judo Girl

Billy Scafuri

— James

Patrick Rutnam

— Ravi

Dan Warner

— Doctor

Laura Patalano

— Maria

Ayse Ergin

— Receptionist

Mikhail Toupikov

— Real Analysis Professor

Kat Hazelton

— Party Girl #1

Elliott Stiles

— Party Girl #2

Stephanie Blair

— Party Girl #3

Jeanne Simpson

— Bursar

Mark Erman

— Paramedic

Angie Light

— Nurse #1

Brenda Lamberty

— Nurse #2

Denise D. Williamson

— Obstetrician

Chase Alexander Wilson

— Kieslowski Twin

Sebastian Hawk Bolanos

— Kieslowski Twin