John Travolta first became known in the 1970s, after appearing on the ABC-TV series
Welcome Back, Kotter (1975 – 1979) and starring in the box office successes Saturday Night Fever (1977) and Grease (1978). His career faced a resurgence in the 1990s with his role in Pulp Fiction (1994), and he has since continued starring in many Hollywood films.Travolta has twice been nominated for the Academy Award For Best Actor.The first, for his role in Saturday Night Fever and the second for Pulp Fiction. He won the Golden Globe Award For Best Actor-Motion Picture Musical or Comedy for his 1995 performance in Get Shorty.

John Travolta as Vinny Barbarino in Welcome Back Kotter

John Travolta with Olivia Newton-John in Grease

Travolta in Pulp Fiction

Rene Marie Russo is a former model turned actress. Russo made her
television series debut in 1987, with a supporting role in the ABC series
Sable.Two years later, she made her debut in film as the girlfriend of the
Tom Berenger character in Major League (1989) . Her breakthrough role
is generally considered to be her part as internal affairs detective Lorna
Cole in Lethal Weapon 3 (1992) and Lethal Weapon 4 (1998).

Rene Russo with Mel Gibson in Lethal Weapon 3

Rene Russo in a scene from Major League

Rene with Clint Eastwood from the film In The Line of Fire

LeVar Burton, is a German-born actor, director, producer and author. He is 
well-known for portraying Kunta Kinte in the 1977 award-winning ABC-TV
miniseries Roots, based on the novel by Alex Haley. He is also known for 
his portrayal of Geordi LaForge on the syndicated science fiction series
Star Trek: The Next Generation.

LeVar Burton in Roots

LeVar in Star Trek: The Next Generation

Florence Agnes Henderson is best known for playing the role of Carol Brady
in the television program The Brady Bunch, which ran from 1969 to 1974 on
ABC. Henderson started her career on the stage, performing in musicals.

Florence Henderson as Carol Brady in The Brady Bunch

The Adventures of Superman was a long running radio serial adapted from
the DC Comics character that originally aired from 1940 to 1951. It began as
a syndicated show on New York City’s WOR. The Serial went to the Mutual
network from August 31, 1942, to February 4, 1949 as a 15-minute show,
usually running three or five times a week. Superman was picked up by
the ABC radio network in October of 1949, returning to afternoon air
time twice a week until March 1, 1951. Bud Collyer played the title
role with Joan Alexander playing Lois Lane, both pictured below.

Bud Collyer played Superman/Clark Kent 

Joan Alexander was Lois Lane

That well known signature opening of Superman, one
of the most famous in radio history, was delivered by
Jackson Beck (above), the announcer-narrator of the
show from 1943 to 1950.
 

First Superman comic