Dick Van Dyke as a quirky M.D. probing a magnate's murder. (Van Dyke's son Barry plays his fictional son, a police sergeant.) Nick: Bill Bixby. Frank: Ken Kercheval. Eric: William Atherton. Anita: Brynn Thayer. Kate: Mariette Hartley. Jack: Stephen Caffrey. Amanda: Cynthia Gibb. Esther: Vernee Watson-Johnson. A "Jake and the Fatman" spin-off.
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