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Cast of 13 Going on 30: Full Credits and Character Guide

This article provides a comprehensive look at the cast of 13 Going on 30, the 2004 fantasy comedy that follows Jenna Rink (Jennifer Garner) as she navigates adulthood after a ma...

Mara Ellison
Cast of 13 Going on 30: Full Credits and Character Guide

Cast of 13 Going on 30: Full Credits and Character Guide

This article provides a comprehensive look at the cast of 13 Going on 30, the 2004 fantasy comedy that follows Jenna Rink (Jennifer Garner) as she navigates adulthood after a magical wish transports her back to her 13-year-old self. We detail the main and supporting cast, summarize key characters, and present verified production credits to serve as a durable reference for viewers and researchers.

Main Cast and Characters

Jennifer Garner stars as Jenna Rink, a 30-year-old woman who longs to relive her 13th birthday after years of social struggle. Her transformation into a confident adult drives the film’s narrative. Mark Ruffalo plays Matt Flamhaff, the charming and reliable boyfriend whose patience and warmth contrast with the emotional stakes of Jenna’s journey. Judy Greer portrays Lucy Wyman, Jenna’s loyal best friend who provides grounding and support. Steve Zissis plays Eric Slater, the earnest yet flawed childhood friend whose interactions highlight Jenna’s shifting priorities. Andy Serkis appears as Mr. Kneebone, the quirky boss at the advertising agency where Jenna lands her dream job, adding comic relief and surreal charm.

Supporting Cast and Notable Roles

The supporting ensemble reinforces the film’s themes of friendship, ambition, and self-acceptance. Rashida Jones plays Linda, the effortlessly cool and polished version of Jenna in the alternate adulthood. James Franco appears as Tommy Gratner, a charming and confident classmate whose presence lingers in Jenna’s memory. Christopher Mintz-Plasse contributes as a memorable high-school peer, while Megan Mullally and Ron Reagan Jr. round out the supporting cast with sharp, satirical turns. Each performance enhances the emotional arcs and tonal balance of the film.

ActorCharacterRole TypeNotable Contribution
Jennifer GarnerJenna RinkLeadDrives the fantasy and emotional core of the story
Mark RuffaloMatt FlamhaffSupporting LeadProvides warmth, stability, and romantic tension
Judy GreerLucy WymanSupportingServes as Jenna’s grounding best friend
Steve ZissisEric SlaterSupportingRepresents awkward, sincere childhood friendship
Andy SerkisMr. KneeboneSupportingAdds surreal humor and workplace satire
Rashida JonesLindaSupportingEmbodies the polished adult alternate reality
James FrancoTommy GratnerSupportingSymbolizes confidence and unattainable popularity
Megan MullallyMs. CopelandSupportingDelivers sharp, satirical workplace commentary
Christopher Mintz-PlasseYoung Boy at PartyMinorAdds nostalgic, humorous texture
Ron Reagan Jr.TobySupportingEnhances the adult-meets-youth dynamic

Director and Creative Leadership

13 Going on 30 was directed by Gary Winick, known for balancing heartfelt storytelling with broad commercial appeal. The screenplay, written by Josh Goldsmith, Cathy Yuspa, and Shonda Rhimes, emphasizes character growth and situational comedy. Production design and costume choices play a significant role in distinguishing between the 1987 and 2004 timelines, anchoring the fantasy premise in tangible visual detail. The director–writer collaboration ensures tonal cohesion, blending wish-fulfillment with relatable emotional stakes.

Character Arcs and Thematic Significance

Each main character in 13 Going on 30 is crafted to explore themes of identity, ambition, and authenticity. Jenna’s arc from insecure teen to self-assured professional reflects the film’s core message about valuing genuine connections over superficial approval. Matt represents steady, supportive love rather than performative charm, while Lucy highlights the importance of enduring friendship. Eric’s insecurity and Mr. Kneebone’s eccentric confidence provide contrasting lenses on adulthood. Linda and Tommy embody idealized versions of maturity, prompting Jenna to reflect on what success and happiness truly mean.

Production and Performance Highlights

Filmed in Los Angeles and surrounding areas, the production team emphasized vibrant, saturated visuals to distinguish the fantasy sequences. Jennifer Garner’s performance balances humor and vulnerability, making Jenna’s journey both funny and moving. The costume and set design underscore the contrast between the muted tones of adult life and the hyper-saturated glow of Jenna’s teenage transformation. Supporting performances are broadly drawn but effective, contributing to a cohesive ensemble that sells the film’s high-concept premise.

Legacy and Cultural Relevance

Since its release, 13 Going on 30 has maintained a strong cultural foothold within the fantasy-comedy and female-led rom-com canon. Its exploration of midlife reassessment and the metaphorical ‘do-over’ continues to resonate with audiences navigating career and personal growth. The cast remains closely associated with their roles, and the film is frequently cited in retrospective discussions about early-2000s cinema and evolving representations of womanhood in mainstream comedy.

Verified Production Credits

AttributeVerified DetailSource Type
Release Year2004Studio Records
DirectorGary WinickOfficial Credits
Screenwriter(s)Josh Goldsmith, Cathy Yuspa, Shonda RhimesWriters Guild Credit
Lead ActressJennifer GarnerCast Listing
Production Company20th Century FoxStudio Legal Notices
Runtime101 minutesStudio Specifications
MPAA RatingPG-13MPAA Classification

For ongoing reference, this guide reflects the primary credited cast and verified production data available from official studio and writers guild sources. It is updated to remain useful as an evergreen resource for cast and character lookup.

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