Comedian, Actor, and director Carl Reiner is known for his appearances
with Sid Caesar on Your Show of Shows on NBC from 1950 to 1954. He
has won nine Emmy Awards and one Grammy Award during his career.

Before fame, Reiner, who is the father of Rob Reiner, worked as a sewing
machine repairman. He has been described as being one of the oldest
celebrities active on Twitter.

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John Herbert “Jackie” Gleason (February 26, 1916 – June 24, 1987)

During his early years,Gleason worked as a MC for a theater, in a pool
hall, as a stunt driver, and carnival barker before working his way up at
New York’s Club 18 as an insult comic.

Original run on NBC: February 25, 1950 – June 5, 1954

Dick Clark’s Saturday Night Beechnut Show was a musical variety show broadcast weekly  on the ABC television network 7:30-8 PM (Eastern Time) on Saturdays
from February 15, 1958 through September 10, 1960. It was sponsored by
Beechnut Gum.

Bobby Darin in his first variety series was joined by singer Joanie Sommers 
and veteran comedian Bob Hope with Billy May and His Orchestra. This TV 
special was a pilot for a potential series but it was not picked up.