Cast (5)

Johnny Galecki

Leonard Hofstadter

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Rajesh Koothrappali

Crew (4)

Directing

Mark Cendrowski

Director

Writing

Chuck Lorre

Story

Bill Prady

Teleplay

Lee Aronsohn

Teleplay

Guest stars (2)

Sara Gilbert

Leslie Winkle

Carol Ann Susi

Debbie Wolowitz (voice)