Kent Smith
— Dr. Pete Graham
Nan Martin
— Claire Townsend
James Franciscus
— Eddie Baxter
Stefan Schnabel
— Fats Donner
Dick O'Neill
— Cassidy
Leonard Stone
— Jim Kelly
Beah Richards
— Grecco Maid
John Alexander
— Chief of Police
Arthur Storch
— Jack "Skippy" Randolph
Connie Van Ess
— Katherine Elio
Dolores Sutton
— Molly Baxter
Sandra Church
— Jeannie Page
Renée Taylor
— Mac's wife
George Maharis
— Nicholas Grecco