Robert Downey Jr. is poised to star in The Singing Detective, a big-screen remake of the famed BBC series, Variety reports. Mel Gibson's Icon Productions will produce the pic... Rapper Coolio will guest star on the March 14 episode of Charmed... ABC's new Sally Field drama, The Court, will premiere March 26... The remaining nine episodes of CBS's axed spooker Wolf Lake may find a home on sister network UPN. A deal is in the works... Skeet Ulrich (Scream) has been tapped as the lead in ABC's drama pilot Miracles.