The Diamond Trap

Howard Hesseman

— Det. Rollings

Brooke Shields

— Tara Holden

Darren McGavin

— Chief Walter Vadney

Dick O'Neill

— Lt. Barnett

Tony Steedman

— Chief Supt. Kellogg

Nicholas Pryor

— Mr. Exeter

Twiggy

— Det. Sgt. Charlie Lawson

Ed Marinaro

— Det. Brendan Thomas

Howard George

— Jerry Donohoe

Wensley Pithey

— Basil

H.M. Wynant

— Idrissi

Richard Bates

— Desk Clerk

Kirk Sisco

— Surgeon