Michael O'Hara the Fourth

Dan Dailey

as Michael O'Hara III

Jo Ann Harris

as Michael 'Mike' O'Hara IV

Michael McGreevey

as Norman

Nehemiah Persoff

as Artie Moreno

James Almanzar

as Rodriguez

Mike Henry

as Fargo

William Bramley

as Police Commissioner

Maggie Wellman

as Wilma

Yvonne Gilbert

as Nancy

Mimi Saffian

as Barbs

Robert Patten

as Richard Caffey

Jimmy Lydon

as John Stevens

Judson Pratt

as Andy

Peter Renaday

as Stan

Walter Sande

as John Parsons

Pat Delaney

as Secretary #2

Maudie Prickett

as Nosey Neighbor

Dave Willock

as Store Manager

Tom Waters

as Charley Grady

Sondra Currie

as Secretary #1