Biography
Leonard Rossiter was an English actor known for his roles as Rupert Rigsby, in the British comedy television series Rising Damp (1974–78), and Reginald Iolanthe Perrin, in The Fall and Rise of Reginald Perrin (1976–79). He also had a long and distinguished career in the theatre and gained some notoriety for a series of Cinzano commercials (1978–1983), with Joan Collins.
Known For

2001: A Space Odyssey
Dr. Andrei Smyslov

Barry Lyndon
Captain Quin

Oliver!
Sowerberry

Trail of the Pink Panther
Superintendant Quinlan

The Pink Panther Strikes ...
Quinlan

Voyage of the Damned
Commander von Bonin

The Long Ships
Persian Soldier Who Falls On Sword (uncredited)

King Rat
McCoy

The Witches
Dr. Wallis

The Wrong Box
Vyvyan Alistair Montague