From the 1970s onwards, Rossington mainly appeared on television, including roles in His and Hers, The Wednesday Play, Casanova, Carry On Christmas, Crown Court, I, Claudius, Z-Cars, Big Jim and the Figaro Club (1981, in the title role of "Big Jim"), The Bill and Last of the Summer Wine. His final appearances before his death were Heartbeat in 1996, Sharpe's Regiment as Sergeant Horatio Havercamp, also in 1996, and What's a Carry On? in 1998.