Vlasta Burian as František Lelíček / Fernando XXIII

Martin Frič as Sherlock Holmes

Lída Baarová as The Queen / Her Doppelganger

Theodor Pištěk as Prime Minister Count Mendoza

Eva Jansenová as Conchita

Fred Bulín as James, Holmes' Butler

Arnold Reimann as Cafe Owner

Jára Beneš as Composer

George Andreani as Composer

Robert Ford as Conspirator

Alois Dvorský as Court Doctor

Josef Zora as Court Doctor

Čeněk Šlégl as Court Marshal

Eduard Šlégl as Court Marshal

Josef Oliak as Courtier

Betty Kysilková as Dancer

F. X. Mlejnek as Fat Conspirator

Jan Sviták as Leader of the Conspirators

Alfred Schlesinger as Lender

Josef Loskot as Lender

Josef Rajský as Lender

Jan W. Speerger as Lender / Anarchist with a Bomb

Josef Rovenský as Mayor / Guard Officer

Felix Kühne as Minister

Otto Zahrádka as Minister

Přemysl Pražský as Minister

Vladimír Pospíšil-Born as Minister

Eman Fiala as Photographer / Songwriter

Zvonimir Rogoz as Royal Officer

Kamila Rosenkranzová as The Landlady

Jan Richter as Waiter

Karel Postranecký as Waiter / Royal Guard Officer

Emil Dlesk as

Gustav Čech as

Karel Schleichert as

Mario Karas as

Miloslav Svoboda as

Václav Menger as

Viktor Nejedlý as