Steve Brodie
— Arson Squad Inspector John "Johnny" Broderick
Lyn Thomas
— Keely Harris
Tom Hubbard
— Ben Howard, Broderick's Assistant
Jason Johnson
— William Yarbo
Frank J. Scannell
— Pop Bergen
Wendy Wilde
— Marilyn 'Marilee' Bergen
John Frederick
— Clete, the Photographer
Corinne Cole
— Cindy, the Secretary
Antony Carbone
— Foxy Gilbert
Lyn Osborn
— Jim, the Fireman
Robert Riordan
— Fire Chief Boswell
Walter Reed
— Chief Hollister
Reed Howes
— Barney, the Bartender
Lester Dorr
— Cab Dispatcher
Frank Richards
— Man Making Phone Calls