William Powell

Lt. William 'Bill' Gordon / Anson Meridan

Rosalind Russell

Joel Carter

Binnie Barnes

Olivia Karloff

Lionel Atwill

Maj. William Brennan

Cesar Romero

Capt. Nicholas 'Nikki' Nieterstein

Samuel S. Hinds

John Carter, Assistant Secretary of War

Henry Stephenson

Russian Ambassador Gregory

Frank Reicher

Dr. R.A. Jackson

Charley Grapewin

Prof. Martin