Ira Flatow

Self - Host

David G. Bouvier

Walter Brattain

Richard O'Rourke

John Bardeen

Elliot Cohan

Ralph Bown

Gary Henoch

Bill Shockley

Paul Horn

Reporter

Joel Shurkin

Self

Phil Foy

Self

Frederick Seitz

Self

Walter Brown

Self

Harry Sello

Self

Ian Ross

Self

Michael Riordan

Self

Gordon Moore

Self

John Pierce

Self

Betty Sparks

Self

Nick Holonyak

Self

Charles Stewart

Self

John Bardeen

Self (archive footage)

Walter Brattain

Self (archive footage)

Bill Shockley

Self (archive footage)