Mastermind (1972) Cast & Character Guide — No Spoilers | Who's That?

Who plays who in Mastermind (1972)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including John Humphrys, Magnus Magnusson, Clive Myrie.

• Self - Host — played by John Humphrys
• — — played by Magnus Magnusson
• Self - Host — played by Clive Myrie

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