 Dick Van DykeRichard Harmon | Richard Harmon |
 Debbie ReynoldsBarbara Harmon | Barbara Harmon |
 Jason RobardsNelson Downes | Nelson Downes |
 Jean SimmonsNancy Downes | Nancy Downes |
 Van JohnsonAl Yearling | Al Yearling |
 Joe FlynnLionel Blandsforth | Lionel Blandsforth |
 Shelley BermanDavid Grieff | David Grieff |
 Martin GabelDr. Zenwinn | Dr. Zenwinn |
 Lee GrantDede Murphy | Dede Murphy |
| PPat CollinsPat Collins | Pat Collins |
 Tom BosleyFarley | Farley |
 Emmaline HenryFern Blandsforth | Fern Blandsforth |
 Richard GautierLarry Strickland | Larry Strickland |
 Tim MathesonMark | Mark |
 Gary GoetzmanJonathan | Jonathan |
 Eileen BrennanEunice | Eunice |
 Shelley MorrisonJackie | Jackie |
| BBella BruckCelia | Celia |
| JJohn J. AnthonyJudge | Judge |
| LLeon AltonBank Officer (uncredited) | Bank Officer (uncredited) |
 Don AndersonNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Susan Bay NimoyWaitress (uncredited) | Waitress (uncredited) |
 Doris RobertsHypnotic Subject (uncredited) | Hypnotic Subject (uncredited) |
 Jan BurrellTeddy (uncredited) | Teddy (uncredited) |
| MMichael AbelarBartender (uncredited) | Bartender (uncredited) |
| AArthur AbelsonJunior Attorney (uncredited) | Junior Attorney (uncredited) |
| SStanley AllanPat Collins' Assistant (uncredited) | Pat Collins' Assistant (uncredited) |
| DDick Baron(uncredited) | (uncredited) |
| CChristopher BarreyBoy (uncredited) | Boy (uncredited) |
| PPamela BartholomewModel (uncredited) | Model (uncredited) |
