Contemporaries
According to Jesse L. Lasky's daughter, Betty, the individuals below were not only her father's contemporaries, but people he liked, who became his close friends. There are several more for whom I have not found images: Sam Engel (producer and screenwriter); Jack Emanuel (literary agent, television executive, and best friend in the 1950s); and Arthur "Artie" Stebbins (Hollywood agent).
Cecil B. DeMille: Legendary film maker, partner and lifelong best friend
Douglas Fairbanks, Sr.: Famous silent star, best friend in the 1920s
Joseph M. Schenck: Executive producer, associate of Marcus Loew
Sam Goldwyn: partner and former brother-in-law
George Putnam: Publisher, author, husband of Amelia Earhardt, close friend in the 1920s
Eddie Albert: actor of television and movies
Adolph Zukor: Famous-Players-Lasky president, partner Paramount Studios
Frank Case: Owner of Algonquin Hotel in New York, close friend in the 1920s
Al Kaufman: Famous Players Lasky studio manager
William deMille: Famous Players-Lasky writer, director, brother of Cecil B. DeMille
Wilfred Buckland: Art director, Lasky Feature Play Company
Mary Pickford: Famous Players star, Lasky partner and friend
Mervyn LeRoy: Director, producer; cousin
Gilbert Miller: NY theatre impressario, close friend in the 1920s
Pandro S. Berman: RKO production executive and producer
Walter Wanger: Producer and one-time Lasky Assistant Famous Players, later General Manager
Rouben Mamoulian: Film and theatre director
Leo Carrillo: Actor and friend
Harry Warner: Studio executive
Harold Sherman: Screenwriter, prominent author of inspirational books, friend
Don Sartell: Best friend in the 1950s, important figure in the high school band world