Dad's Army Wiki
Geoffrey Lumsden
Born 26th December 1914
Died 4th March 1984 (aged 69)
First appearance Command Decision (television), Command Decision (radio)
Last appearance Wake-Up Walmington (television), Fallan Idol (radio)
Series 1, 2, 4, 5 and 9 (television), 1 and 2 (radio)
Episode count 8 (television), 7 (radio)

Geoffrey Lumsden (26th December 1914 – 4th March 1984) played Captain Square in the Dad's Army franchise.


Early life and career[]

Geoffrey Lumsden was born in London. By the time he had left school, both his parents had died. Whilst living with his uncle and reluctantly training as an engineer at a colliery, he helped to organise several concerts there. Releasing then that his future lay with the entertainment industry, he left the mines and won a scholarship which allowed him to train at RADA. In between his busy rep work, WWII broke out and Geoffrey joined the army in Burma.

Early acting career[]

After leaving the army, Geoffrey returned to his rep work in Dundee. In 1952 he started to work for television.

Dad's Army[]

Captain Square

Geoffrey Lumsden as Captain Square.

Geoffrey first appeared in Dad's Army as Colonel Square in the first season episode Command Decision. His character was very interested in making his former guerrilla warfare mark on the Walmington Home Guard, but in Season 4, he became the captain of the Eastgate platoon, which later became one of the main rivals of Walmington's platoon. Geoffrey also played the part of Square for the radio series.

Final years and death[]

Geoffrey Lumsden died in London, March 4th, 1984, aged 69.