Arnold Lucy (born Walter George Campbell, 8 August 1865 – 15 December 1945) was a British theatre and film actor, best known as Professor Kantorek in All Quiet on the Western Front (1930).

Born in Tottenham on 8 August 1865,,[1] Lucy was the youngest of the six sons of architect and surveyor Donald Campbell and his wife Lucy Elizabeth (née Speak) of Church Lane, Hornfield Lodge, Tottenham.

Arnold Lucy started his acting career in the late 19th century at the theatre.

[citation needed] Lucy worked for an accounting firm in London for five years before going to Australia in 1887.

He often portrayed authoritarian and dignified roles, most notable as Professor Kantorek, the nationalistic school teacher in All Quiet on the Western Front, who persuades his students to go into a horrible and deadly war.