Leonard Nimoy as Spock in the original Star Trek series
(1966-1969).

In April 2010, Leonard Nimoy announced his retirement from
playing the Star Trek character Spock. His retirement has not
included voice acting.

The ABC-TV medical drama Marcus Welby, M.D. starred Robert Young
and aired from September 23, 1969, to July 29, 1976. The pilot of the
series titled A Matter of Humanities, aired as an ABC Movie of the Week
on Wednesday, March 26, 1969.

                         Terrence Stephen "Steve" McQueen 

                         (March 24, 1930 – November 7, 1980)

Steve McQueen was top box-office draw of the 1960s and 1970s. He
received an Academy Award nomination for his role in The Sand Pebbles
(1966). His other popular films include The Great Escape (1963), Bullitt
(1968), and The Towering Inferno (1974).. In 1974, he became the
highest-paid movie star in the world.

McQueen was an avid racer of both motorcycles and cars. While he studied
acting,he partially supported himself by competing in weekend motorcycle
races and bought his first motorcycle with his winnings.

McQueen in a scene from The Great Escape

 
 
Steve McQueen in Bullitt

  
The Marx Brothers- Chico, Groucho, Harpo, and Zeppo from the 1930
film Animal Crackers  

     Leonard "Chico" Marx (March 22, 1887 – October 11, 1961)

As the first-born of the Marx Brothers, Chico played an important role in the
management and development of the comedy act in its early years. For a
time in the 1930s and 1940s, Chico led a band called the Chico Marx 
Orchestra. Singer Mel Tormé began his professional career with the band 

Excerpt from the movie Animal Crackers (1930)

William Alan Shatner gained worldwide fame and became a cultural icon for
his portrayal of James T. Kirk, captain of the USS Enterprise, in the science
fiction television series Star Trek on NBC from 1966 to 1969.

William Shatner as Capt. Kirk