Comedy stars Tom Conti, Kerry Shale, Natalie Walter

“Smash,” Jack Rosenthal’s 1981 comic backstager about mounting a musical, will receive its belated London preem in March in a production helmed by Tamara Harvey at the Menier Chocolate Factory.

Play is based on the late scribe’s experience of turning his hit BBC TV play “Bar Mitzvah Boy” into a West End tuner that, despite music by Jule Styne (“Gypsy”) and lyrics by Don Black (“Sunset Boulevard”), flopped after 78 perfs.

One of Blighty’s most celebrated TV writers, Rosenthal was best known for co-scripting “Yentl” with Barbra Streisand.

Harvey’s production of “Smash,” headed by Tom Conti, Kerry Shale and Natalie Walter, is designed by Paul Farnsworth and runs March 24-May 8 with a March 31 press opening.

Menier Chocolate Factory’s current activities include the Broadway revival of “La Cage aux Folles,” now toplining Harvey Fier-stein and Jeffrey Tambor, and, at the Menier’s home in London, the start of previews for “Ruby Wax — Losing It,” the TV comedienne’s autobiographical take on mental illness.

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