Générique complet
Special Agent K-7
Walter McGrail
Vincent 'Lanny' Landers
Queenie Smith
Ollie O'Dea
Irving Pichel
Lester Owens
Donald Reed
Billy Westrop
Willy Castello
Eddie Geller
Duncan Renaldo
Tony Blank
Joy Hodges
Peppy
Richard Tucker
Chief Agent John Adams
Malcolm McGregor
Silky Samuels
HJ
Hans Joby
Schmidt
George Eldredge
Prosecuting Attorney Ames
HM
Henri Menjou
Smaltz
DM
David MacDonald
Goodwin
William Royle
Police Capt. Hall
Harry Harvey
Speedy
