In San Francisco, detective partners Jack Packard and Doc Long are hired by socialite Jefferson Monk who believes someone is following him with the aim to kill him.
Jim Bannon
as Jack Packard
Nina Foch
as Ellen Monk
George Macready
as Jefferson Monk
Barton Yarborough
as Doc Long
Carole Mathews
as Jean Anderson
Lester Matthews
as Justin Reeves / Mr. G
Ernie Adams
as Gimpy (Uncredited)
Gary Bruce
as Intern (Uncredited)
Joseph Crehan
as Police Captain Quinn (Uncredited)
Franklyn Farnum
as Reporter (Uncredited)
Gregory Gaye
as Dr. Han (Uncredited)
Fred Graff
as Morgan (Uncredited)
