Question: Never Put It in Writing starred which American singer and motivational speaker?

Context articles: Never Put It in Writing
Greg White (basketball)
Les Brown (speaker)
Gregory Burns
Sean Covey
Steve Rizzo
Tinker Bell Talks
Jairek Robbins
Pat Boone
Richard Saldan

Never Put It in Writing is a 1964 British comedy film directed by Andrew L. Stone and starring Pat Boone, Milo O'Shea, Fidelma Murphy and Reginald Beckwith.
Greg White (born 1959 in Mullens, West Virginia) is an American basketball coach best known, as the head coach at Marshall University and assistant coach for the UCLA Bruins.
 He is also a well known motivational speaker on the speakers circuit in both the university and business world.
 He has spoken to major corporations such as Mercedes, BMW, Subway, State Farm, Chevrolet, AT&T, Timken and Nisource to name a few.
 On the college speakers circuit he has spoken at University of Alabama, Ohio State University, University of Kentucky, UCLA, Kansas State University, University of South Carolina, University of Louisville, Wake Forest University, University of Tennessee, University of Maryland, Iowa State University, Catholic University of America and University of Denver to name a few.
 He graduated from the (now closed) Mullens High School in Mullens, WV and went on to play at NCAA Division I Marshall University, where he is a member of the school's Hall of Fame.
 He was a record setting point guard, starting 113 consecutive games from 1977-81 and still holds numerous records at Marshall.
 His legendary ball handling skills are world famous as he has traveled the globe performing as motivational speaker, exhibitionist and clinician.
 His 115 wins as Marshall's head coach rank him as the 3rd winningest coach in Marshall Basketball history (29 coaches).
 His teams amazed a 87-17 home record in Marshall's Cam Henderson Center.
 Additionally, his teams at Marshall had a record setting 27 game home win streak and were 34-3 in home games against non conference teams beating foes like Wake Forest University, University of Georgia, University of Detroit and The University of Massachusetts.
 In 2002, Greg's Marshall team lead all Division I basketball teams in 3 point field goal shooting percentage at 44% and he had 18 all conference players during his time as Marshall's head coach.
 He had one player, Keith Veney, who hit 15 3's in a game which still stands as an NCAA record.
 He has written several books with his most popular book being "The Winning Edge", a book about the importance of goal setting and time management.
 In 2016, he published "Success: Attitude is Everything," a book focused on having a great attitude and strong mindset.
 His basketball camps are the largest sports camps in the history of West Virginia at Marshall University and the University of Charleston attracting over 1000 per summer at their peak.
Leslie Calvin "Les" Brown (born February 17, 1945) is an American motivational speaker, author, radio DJ, former television host, and former politician.
 As a politician, he is a former member of the Ohio House of Representatives.
 As a motivational speaker, he uses the catch phrase "it's possible!"
 and teaches people to follow their dreams as he learned to do.
 He was the host of "The Les Brown Show".
Gregory Burns, MFA, (born 1957) is an American athlete, painter, author, motivational speaker and member of Art of the Olympians.
 As a competitive swimmer, Burns represented the USA in the 1992, 1996, and 2000 Paralympic Games, winning five medals; he has broken five world records and numerous American records.
 As a contemporary artist, his paintings have been shown in dozens of solo exhibitions plus dozens of group exhibitions in at least sixteen countries, and Burns has taught in thirty Artist-in-Residence programs around the globe.
 He is the recipient of the United States Sports Academy’s 2016 Sport Artist of the Year award, (painter).
 As an author, Burns has published three books in English and Mandarin.
 As a motivational speaker, Burns has spoken to many audiences with a wide range of interests such as business, culture, and international relations.
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Sean Covey (born September 17, 1964) is an American author, motivational speaker, and publishing executive providing business leadership and time management educational tools for organizations and individuals.
 He is known for writing motivational books for children and teens.
 His international best-selling book, "The 7 Habits of Highly Effective Teens" is based on the principles of "The Seven Habits of Highly Effective People", which was written by his father, Stephen Covey.
 His follow-up book, "The 7 Habits of Happy Kids", became a "New York Times" Best Seller.
Steve Rizzo is an American motivational speaker, author, and former stand-up comedian, who is notable for his humorous style of motivational speaking and writing.
 Rizzo is a member of the National Speakers Association (NSA) and an inductee of its "Council of Peers Award for Excellence" (CPAE) Speaker Hall of Fame.
 His book, "Becoming a Humor Being: The Power to Choose a Better Way" won the Writer's Digest International Self-Published Book Awards.
Tinker Bell Talks: Tales of a Pixie Dusted Life is an autobiography by American actress, motivational speaker, radio host and author Margaret Kerry.
 The memoir recounts the actress' lengthy Hollywood career, her faith and relationships through her life.
 Starting in childhood appearing in "Our Gang" comedy shorts, being the reference model for the character of Tinker Bell in "Walt Disney's Peter Pan", her appearances on "The Lone Ranger" and "The Andy Griffith Show", and starring in "The Ruggles" on ABC-TV, to becoming a voiceover performer, a motivational speaker, and radio host.
 The book includes 180 photos and artwork.
Jairek Robbins (born May 26, 1984) is an American performance coach and motivational speaker.
 He is the son of American life coach, self-help author, and motivational speaker Tony Robbins.
Charles Eugene "Pat" Boone (born June 1, 1934) is an American singer, composer, actor, writer, television personality, motivational speaker, and spokesman.
 He was a successful pop singer in the United States during the 1950s and early 1960s.
 He sold more than 45 million records, had 38 top-40 hits, and appeared in more than 12 Hollywood films.
Richard Saldan (born in Philadelphia, Pennsylvania) is an American magician, motivational speaker, and inspirational writer.
 He created his seminar company, Motivational Magic in 1997.
 Since this time, more than 4,000 magicians in the United States have pursued and developed this relatively new performance art in the world of professional magic, generally termed motivational magic.