Question: Who played a Russian-American talent agent in the film This Year's Blonde?

Context articles: Michael Foster (agent)
Duncan Heath
This Year's Blonde
Sue Carol
Richard Clayton (actor)
Talent agent
Julie McDonald (agent)
Ashley-Famous
Johnny Hyde
Michael Summerton

Michael Adam Foster (born March 1958) is a British former talent agent and politician.
 He was Chris Evans' agent and has run several talent agencies.
 He was a Labour donor and Parliamentary candidate, but he left the party after a series of disputes with leader Jeremy Corbyn.
Duncan Heath (b1946) is a leading British talent agent and the co-chairman of the Independent Talent Group, Europe's largest talent agency, based in Soho, London.
 His clients include many leading figures in the British film industry, including Michael Caine, Maggie Smith, Alan Rickman, Sam Mendes and Mike Newell.
This Year's Blonde is a 1980 low-budgeted American television drama film, based on the Garson Kanin novel "Moviola" about 1950s sex symbol Marilyn Monroe.
 The movie starred Constance Forslund as Monroe Lloyd Bridges as Johnny Hyde and Norman Fell and was presented as part of a 3-night TV special event on NBC called "Moviola: A Hollywood Saga".
Sue Carol (October 30, 1906 – February 4, 1982) was an American actress and talent agent.
 While at a social function in Los Angeles in 1927, a director offered her a part in a film.
 She took it and began playing minor parts.
 Carol's film career lasted from the late 1920s into the 1930s; when it ended, she became a talent agent.
 The last of her three marriages was to one of her clients, Alan Ladd, from 1942 until his death in 1964.
Richard Clayton (June 12, 1915 – September 29, 2008) was an American actor who became a talent agent.
 He repped for such high-profile talent as Jane Fonda, James Dean and Burt Reynolds during his career as an agent.
A talent agent, or booking agent, is a person who finds jobs for actors, authors, film directors, musicians, models, film producers, professional athletes, writers, screenwriters, broadcast journalists, and other people in various entertainment or broadcast businesses.
 In addition, an agent defends, supports and promotes the interest of their clients.
 Talent agencies specialize, either by creating departments within the agency or developing entire agencies that primarily or wholly represent one specialty.
 For example, there are modeling agencies, commercial talent agencies, literary agencies, voice-over agencies, broadcast journalist agencies, sports agencies, music agencies and many more.
Julie McDonald (born 1954) is a talent agent and co-founder of McDonald Selznick Associates (MSA), an agency headquartered in Hollywood, California, that represents dancers, choreographers, stage directors, and production designers.
 She is best known for being the first "dance" agent i.e. the first talent agent to offer commercial representation for dancers.
Ashley-Famous was a talent agency started in 1951 by talent agent Ted Ashley.
 The agency had a successful 16-year run under that name and owner; it was responsible for many hit television shows and had several famous clients.
 It changed ownership a few times, but is still a functioning talent agency today.
Johnny Hyde (23 April 1895 – 18 December 1950) was a Russian-American talent agent.
Michael Summerton (22 December 1943 – 16 June 2009) was an English actor and talent agent who began his career as one of the original Dalek operators in "Doctor Who", later forming his own talent agency, Michael Summerton Management Ltd.
 Born in Rochdale, part of Greater Manchester, he studied at the Birmingham Repertory Theatre and had a role as Abanazer in a 1963 performance of "Aladdin" in the Royal Tunbridge Wells Opera House, which led to a 15-year-long legal battle with presiding agent, Alan Gale, over commission and the displacement of a large quantity of nose putty.