Dean Jones as Mark Garrison

Suzanne Pleshette as Fran Garrison

Charles Ruggles as Dr. J. L. Pruitt

Kelly Thordsen as Officer Carmody

Parley Baer as Mel Chadwick

Charles Lane as Judge

Robert Kino as Mr. Toyama

Mako as Kenji

Dick Wessel as Eddie - Garbage Man (uncredited)

Bob Jellison as Harry (uncredited)

Leoda Richards as Woman with Sheepdog (uncredited)

Alex Ball as Kennel Show Spectator (uncredited)

George Bruggeman as Party Guest (uncredited)

Joe Devlin as Dog Owner (uncredited)

Ben Frommer as Man with Bulldog (uncredited)

Sam Harris as Dog Owner (uncredited)

Kenner G. Kemp as Doctor Outside Hospital (uncredited)

Dorothy Konrad as Woman Holding Dachshund (uncredited)

Gil Lamb as Milkman (uncredited)

William Meader as Kennel Show Official (uncredited)

Joe Phillips as Doctor Outside Hospital (uncredited)

Paul Power as Kennel Show Spectator (uncredited)

Frank Radcliffe as Kennel Show Spectator (uncredited)