Robert Wagner
Jonathan Hart (22 eps)
Stefanie Powers
Jennifer Hart (22 eps)
Lionel Stander
Max (22 eps)
Simone Griffeth
Susan Stockwood (1 eps)
Daniel J. Travanti
Edgar (1 eps)
Macon McCalman
Dr. Harry Capello (1 eps)
Vincent Schiavelli
The Beret (1 eps)
Edward Mulhare
Arthur Sydney (1 eps)
Madlyn Rhue
Charlotte Fleming (1 eps)
Joe Mantell
Al Teresi (1 eps)
Robert Tessier
Mover #1 (1 eps)
Anthony Charnota
Deliveryman (1 eps)
René Auberjonois
Donald Springfield (1 eps)
George Cheung
Ling (1 eps)
Lily Valenty
Reader (1 eps)
Tony Brafa
Alfredo Carbona / Large Man (1 eps)