Ridin’ on a Rainbow

Blake is a bank robber who collaborates with Morrison to steal Eben Carter's money. He guns down Carter to force the payoff and shows ruthless pragmatism. He stands as a dangerous obstacle for Gene as the pursuit unfolds.

Scoop Morrison is a bank robber who partners with Blake in the heist. He embodies the more aggressive, top-line threat in the scheme. His actions escalate the danger that Gene, Frog, and the sheriff must counter.

Gene Autry is the singing cowboy hero who arrives to help the town and recover the stolen money. He uses charm and resourcefulness to win Patsy's trust while coordinating with the sheriff. He goes undercover on the showboat to locate the loot and protect Patsy.

Patsy Evans is Matt's daughter, torn between her loyalty to her father and telling the truth about the robbery. Her choices drive the investigation and the emotional core of the film. She ultimately aids in the resolution by guiding the pursuers to the money.

Captain Bartlett runs the riverboat Jolly Betsy and hosts the entertainers who crowd Riverton. He becomes a key figure in the pursuit by employing Gene and by hosting the show that unlocks important clues. He drives much of the river-town action and distraction.

Frog Millhouse is Gene's loyal sidekick, offering humor and practical help. He performs on the showboat to blend in with the investigation and assists in tracking the money. He provides steady companionship through the tense pursuit.

Sheriff Jim Mason is the town lawman who teams with Gene to track down the robbers. He balances authority with empathy for Patsy, showing flexibility in handling the case. He supports the rescue and the criminals' arrest.

Eben Carter is the bank owner who is killed by the robbers, acting as the catalyst for the investigation. His death heightens the stakes and motivates the pursuit. He represents the trust and security of Riverton's community.

Sally Bartlett is a member of the Bartlett family and part of the Riverton social circle. Her presence contributes to the town's dynamics and the stakes surrounding Patsy and her father.

Mariah Bartlett is the matriarch of the Bartlett family, embodying the protective, elder voice in the community. Her involvement reflects the town's domestic side amid the river-town turmoil.

Matt Evans is a washed-up dancer trying to provide for his young daughter Patsy. He reluctantly assists the bank robbers but is overwhelmed by the consequences of his choices. His arc highlights guilt and the hope for redemption through Patsy's welfare.