Walter Matthau
Paul Manning
Inger Stevens
Ruth Manning
Sue Ane Langdon
Irma Johnson
Jackie Russell
Jackie Russell
Aline Towne
Mousey Man's Wife
Claire Kelly
Harriet Stander
Eve Brent
Joe X's Blowsy Blonde
Majel Barrett
Mrs. Fred V.
Marian Mason
Mrs. Rance G.
Tommy Farrell
Rance G.'s Hanger On
Linda Harrison
Miss Stardust, Rance's New Girl
Jason Wingreen
Harry 'Big Fella' Johnson
Lucille Ball
Technical Adviser (Mrs. Joe X)
Jack Benny
Technical Adviser (Ollie 'Sweet Lips')
Polly Bergen
Technical Adviser (Clara Brown)
Joey Bishop
Technical Adviser (Charlie)
Sid Caesar
Technical Adviser (at Romanoff's)
Art Carney
Technical Adviser (Joe X)
Wally Cox
Technical Adviser (Married 14 years)
Hal March
Technical Adviser (Man who loses coat)
Louis Nye
Technical Adviser (Irving, House Buyer)
Carl Reiner
Technical Adviser (Rance G.)
Phil Silvers
Technical Advisor (Realtor)
Terry-Thomas
Technical Adviser (Harold aka Tiger)
Ben Blue
Technical Adviser (Shoeless)
Ann Morgan Guilbert
Technical Adviser (Charlie's Wife)
Jeffrey Hunter
Technical Adviser (Mountain Climber)
Marty Ingels
Technical Adviser (Meat Eater)
Sam Jaffe
Technical Adviser (Shrink)
Jayne Mansfield
Technical Adviser (Girl with Harold)
Delores Wells
Very Attractive Woman