"Somebody wants him dead for a secret he doesn't have!"
Chicago psychiatrist Judd Stevens is suspected of murdering one of his patients when the man turns up stabbed to death in the middle of the city. After repeated attempts to convince the cops of his innocence, Dr. Stevens is forced to go after the real villains himself.
Dr. Judd Stevens

Lieutenant McGreary

Det. Angeli

Morgens

Ann Blake

Dr. Peter Hadley

Mrs. Hadley

Cortini
Capt. Bertelli
Prison Supervisor

Frank

Teri Goldman
Rose Graham

Boyd
Fallon

Policewoman
Carol
Betty
Waitress
Flower Seller
Lady in Elevator
Man in Elevator
Nurse
Prison Wardress
Eddie

Charlie
Nick

Intern
2nd Intern
Customer in Coffee Shop
Policeman
Old Man
Police Official
Doctor
Paraplegic
Police Paramedic
SWAT Man
Policeman
Police Sergeant
(uncredited)

Crime Scene Cop (uncredited)

Bit (uncredited)
Cortini's Driver (uncredited)

Handcuffed Prisoner (uncredited)
(uncredited)
Bit (uncredited)
Detective (uncredited)
Thug (uncredited)