Diff'rent Strokes is an American television sitcom that aired on the NBC television network from November 3, 1978 to May 4, 1985, and on ABC from September 27, 1985 to March 7, 1986. This sitcom starred Gary Coleman as Arnold Jackson and Todd Bridges as his older brother, Willis. They played two African-American children from a poor Harlem neighborhood whose deceased mother previously worked for a rich white widower, Philip Drummond (Conrad Bain), who eventually adopted them. They lived in a penthouse with Mr. Drummond, his daughter Kimberly (Dana Plato), and their maid.