Someone else runs across the stage before the curtain goes up. Then, Letterman is shown walking out onto the stage. This is his way of proving to his viewing audience that he is capable of doing this maneuver. Prove it to yourself. The "runner" always runs out of view.
Michelle Cook was David Letterman's first wife.
Bill Cosby
Are you referring to NBC? David Letterman was the first host of Late Night on February 1, 1982.
Bill Murray
1993
Billy Joel
Steve Allen
David Letterman
fact
David Letterman is the first host of the Late Show on CBS. He originated the show in 1993, when he left NBC.
David Letterman has won two Daytime Emmys (for the short-lived morning talk show he hosted on NBC in 1981) and five Primetime Emmys (for his late-night shows). He has received a total of 52 nominations, which is among the most-ever nods in history.
Sioux City, IA