The full cast joining Janie Dee in Speculations, comign to Marylebone Theatre this October, has been revealed.

Speculations is a gripping new political thriller about one of America’s most celebrated journalists, Dorothy Kilgallen, who sets out on a mission to discover the truth behind three of the most infamous deaths of the 20th century.

Dee will play Dorothy Killgallen in the world premiere of Torben Betts’ play, and will be joined by Jolyon Coy as Bobby, Natalie Dunn as Norma Jean, Gloria Obianyo as Flo, Joseph Potter as Lee and Ferdy Roberts as Carlos.

Marilyn Monroe, John F. Kennedy, Lee Harvey Oswald. Three deaths that shook America. One woman refused to stop asking questions.

New York, 1965. Dorothy Kilgallen is on the trail of the biggest story of her career, but the closer she gets to the truth, the more dangerous the questions become. And when the threats reach inside her own home, she must decide how far she is prepared to go to tell a story some very powerful people would rather remain untold.

Directed by Trevor Nunn, Speculations is designed by Lee Newby with lighting design by Johanna Town and sound by Gregory Clarke.

Speculations receives its world premiere at the Marylebone Theatre, running from Friday, October 30, 2026 – Sunday, January 3, 2027.

Tickets are on sale here.

Top image: Speculations artwork (image supplied)

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