On the Buses is a 1971 British comedy film directed by Harry Booth and starring Reg Varney, Doris Hare, Michael Robbins, Anna Karen, Stephen Lewis and Bob Grant. It was the first spin-off film from the TV sitcom On the Buses and was followed by two further films, Mutiny on the Buses (1972) and Holiday on the Buses (1973). The film was produced by Ronald Chesney and Ronald Wolfe for Hammer Films.