Walter Matthau
Role: Paul Manning
Inger Stevens
Role: Ruth Manning
Sue Ane Langdon
Role: Irma Johnson
Jackie Russell
Role: Jackie Russell
Robert Morse
Role: Ed Stander
Aline Towne
Role: Mousey Man's Wife
Claire Kelly
Role: Harriet Stander
Eve Brent
Role: Joe X's Blowsy Blonde
Marvin Brody
Role: Taxi Driver
Majel Barrett
Role: Mrs. Fred V.
Marian Mason
Role: Mrs. Rance G.
Tommy Farrell
Role: Rance G.'s Hanger On
Linda Harrison
Role: Miss Stardust
Jason Wingreen
Role: Harry 'Big Fella' Johnson
Pat Becker
Role: Party Guest
Fred Holliday
Role: Party Guest
Robert Patten
Role: Party Guest
Ray Montgomery
Role: Party Guest
Virginia Wood
Role: Bubbles
Lucille Ball
Role: Technical Adviser (Mrs. Joe X)
Jack Benny
Role: Technical Adviser (Ollie 'Sweet Lips')
Polly Bergen
Role: Technical Adviser (Clara Brown)
Joey Bishop
Role: Technical Adviser (Charlie)
Sid Caesar
Role: Technical Adviser (at Romanoff's)
Art Carney
Role: Technical Adviser (Joe X)
Wally Cox
Role: Technical Adviser (Married 14 years)
Hal March
Role: Technical Adviser (Man who loses coat)
Louis Nye
Role: Technical Adviser (Irving, House Buyer)
Carl Reiner
Role: Technical Adviser (Rance G.)
Phil Silvers
Role: Technical Advisor (Realtor)
Terry-Thomas
Role: Technical Adviser (Harold aka Tiger)
Ben Blue
Role: Technical Adviser (Shoeless)
Ann Morgan Guilbert
Role: Technical Adviser (Charlie's Wife)
Jeffrey Hunter
Role: Technical Adviser (Mountain Climber)
Marty Ingels
Role: Technical Adviser (Meat Eater)
Sam Jaffe
Role: Technical Adviser (Shrink)
Jayne Mansfield
Role: Technical Adviser (Girl with Harold)
Sanita Pelkey
Role: Girl in Introduction (uncredited)
Delores Wells
Role: Very Attractive Woman (uncredited)
Joy Harmon
Role: Party Girl in Bar (uncredited)
Dee Carroll
Role: Party Guest
Jackie Joseph
Role: Janet Brophy
Heather Young
Role: Girl with Megaphone
Evelyn King
Role: Female Plaintiff
Nancy DeCarl
Role: Woman with Baby
Warrene Ott
Role: Woman with Gun
Michael Romanoff
Role: Romanoff's Maitre D'
Karen Arthur
Role: Lady Dinner Partner at Romanoff's
Damian London
Role: Lone Male Diner at Romanoff's
Chanin Hale
Role: Miss Crenshaw
Julie Tate
Role: Woman in Bed at Motel
George N. Neise
Role: Man in Bed at Motel
Tim Herbert
Role: Shoe Clerk
Patricia Sides
Role: Mau Mau Dancer at Bantu Cusine
Pat McCaffrie
Role: Happy Hour Motel Clerk
Jimmy Cross
Role: Mr. Brown
Elaine Devry
Role: Jocelyn Montgomery
