A private investigator who swore never to marry on his mother's deathbed. He impulsively proposes to Betsy, risks her companionship to clear a debt to Tommy, and overcomes extreme obstacles including a mistaken skydiving jump to rescue her and fulfill his promise.
Sally is part of Jack's personal support network.
The plot identifies Sally Molars as Jack's dentist friend.
Mahi initially functions as an obstacle in Jack's pursuit.
Mahi Mahi is asked to keep Jack away from Tommy and Betsy while they are in Kauai.
Jack and Tommy compete over Betsy's freedom and romantic future.
Tommy rigs a poker game, wins Jack's debt, takes Betsy to Kauai, and later tries to marry her before Jack intervenes.
Their relationship drives Jack's decision to pursue marriage despite his earlier vow.
Betsy is Jack's girlfriend, and Jack proposes marriage so they can build a family together.
Explore the full interactive character relationship map of Honeymoon in Vegas