CASTING AROUND . . .

Lionel Richie and Diana Ross will be filming ABC musical specials next spring. . . . Giorgio Moroder is scoring Sylvester Stallone’s “Over the Top.” . . . Real-life brothers Matthew and Neil Barry play two brothers who get involved in a murder in an upcoming episode of the new Pat Morita TV replacement series “Ohara,” which debuts in January. . . . Edward Albert is Robin Riker’s ex-husband who tries to win back his wife in a recurring role in Showtime’s “Brothers,” now shooting in Los Angeles. . . . Marcia Wallace, David Lander and William Christopher check into “Honeymoon Hotel,” a syndicated series now lensing locally. . . . “Capitol’s” Christine Kellogg plays a seductress with a dog in heat seeking a partner in the syndicated “One Big Family,” now shooting in L.A. . . . “General Hospital’s” Jack Wagner will tackle the Tony role in “West Side Story” for a 12-week run on the East Coast starting in July.